carbon-lang/toolchain/check/testdata/impl/lookup/generic.carbon

// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/destroy.carbon
// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
// EXTRA-ARGS: --dump-sem-ir-ranges=if-present
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/impl/lookup/generic.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/impl/lookup/generic.carbon

// --- deduced_type.carbon

library "[[@TEST_NAME]]";

interface HasF {
  fn F[self: Self]();
}

impl forall [T:! type] T as HasF {
  fn F[self: Self]() {}
}

fn G(x: {}) {
  x.(HasF.F)();
}

// --- deduced_type_subst.carbon

library "[[@TEST_NAME]]";

interface HasF {
  fn F[self: Self]() -> Self;
}

impl forall [T:! type] T as HasF {
  fn F[self: Self]() -> T { return self; }
}

fn G(x: {}) -> {} {
  return x.(HasF.F)();
}

// --- deduced_type_argument.carbon

library "[[@TEST_NAME]]";

interface HasF {
  fn F[self: Self]();
}

class C(T:! type) {}

impl forall [T:! type] C(T) as HasF {
  fn F[self: Self]() {}
}

fn G(x: C({})) {
  x.(HasF.F)();
}

// --- deduced_interface_argument.carbon

library "[[@TEST_NAME]]";

interface HasF(T:! type) {
  fn F[self: Self]();
}

impl forall [T:! type] {} as HasF(T) {
  fn F[self: Self]() {}
}

fn G(x: {}) {
  x.(HasF({}).F)();
}

// --- fail_incomplete_deduction.carbon

library "[[@TEST_NAME]]";

interface HasF {
  fn F[self: Self]();
}

// CHECK:STDERR: fail_incomplete_deduction.carbon:[[@LINE+4]]:13: error: `impl` with unused generic binding [ImplUnusedBinding]
// CHECK:STDERR: impl forall [T:! type, U:! type] T as HasF {
// CHECK:STDERR:             ^~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
impl forall [T:! type, U:! type] T as HasF {
  fn F[self: Self]() {}
}

fn G(x: {}) {
  // CHECK:STDERR: fail_incomplete_deduction.carbon:[[@LINE+4]]:3: error: cannot access member of interface `HasF` in type `{}` that does not implement that interface [MissingImplInMemberAccess]
  // CHECK:STDERR:   x.(HasF.F)();
  // CHECK:STDERR:   ^~~~~~~~~~
  // CHECK:STDERR:
  x.(HasF.F)();
}

// --- fail_inconsistent_deduction.carbon

library "[[@TEST_NAME]]";

interface HasF(T:! type) {
  fn F[self: Self]();
}

impl forall [T:! type] T as HasF(T) {
  fn F[self: Self]() {}
}

class A {}
class B {}

fn G(x: A) {
  // TODO: It'd be nice to include a note here saying that deduction failed because
  // we deduced two different values for `T`.
  // CHECK:STDERR: fail_inconsistent_deduction.carbon:[[@LINE+4]]:3: error: cannot access member of interface `HasF(B)` in type `A` that does not implement that interface [MissingImplInMemberAccess]
  // CHECK:STDERR:   x.(HasF(B).F)();
  // CHECK:STDERR:   ^~~~~~~~~~~~~
  // CHECK:STDERR:
  x.(HasF(B).F)();
}

// CHECK:STDOUT: --- deduced_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %HasF.type: type = facet_type <@HasF> [concrete]
// CHECK:STDOUT:   %Self: %HasF.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT:   %Self.as_type: type = facet_access_type %Self [symbolic]
// CHECK:STDOUT:   %pattern_type.28f: type = pattern_type %Self.as_type [symbolic]
// CHECK:STDOUT:   %HasF.F.type: type = fn_type @HasF.F [concrete]
// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT:   %HasF.F: %HasF.F.type = struct_value () [concrete]
// CHECK:STDOUT:   %HasF.assoc_type: type = assoc_entity_type @HasF [concrete]
// CHECK:STDOUT:   %assoc0: %HasF.assoc_type = assoc_entity element0, @HasF.%HasF.F.decl [concrete]
// CHECK:STDOUT:   %.Self: type = bind_symbolic_name .Self [symbolic_self]
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT:   %pattern_type.98f: type = pattern_type type [concrete]
// CHECK:STDOUT:   %HasF.impl_witness.ec7: <witness> = impl_witness file.%HasF.impl_witness_table, @T.as.HasF.impl(%T) [symbolic]
// CHECK:STDOUT:   %pattern_type.7dc: type = pattern_type %T [symbolic]
// CHECK:STDOUT:   %T.as.HasF.impl.F.type.3fd: type = fn_type @T.as.HasF.impl.F, @T.as.HasF.impl(%T) [symbolic]
// CHECK:STDOUT:   %T.as.HasF.impl.F.c98: %T.as.HasF.impl.F.type.3fd = struct_value () [symbolic]
// CHECK:STDOUT:   %HasF.facet.216: %HasF.type = facet_value %T, (%HasF.impl_witness.ec7) [symbolic]
// CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %T [symbolic]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT:   %pattern_type.a96: type = pattern_type %empty_struct_type [concrete]
// CHECK:STDOUT:   %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT:   %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT:   %HasF.impl_witness.6e4: <witness> = impl_witness file.%HasF.impl_witness_table, @T.as.HasF.impl(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %T.as.HasF.impl.F.type.2e4: type = fn_type @T.as.HasF.impl.F, @T.as.HasF.impl(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %T.as.HasF.impl.F.f13: %T.as.HasF.impl.F.type.2e4 = struct_value () [concrete]
// CHECK:STDOUT:   %HasF.facet.fa2: %HasF.type = facet_value %empty_struct_type, (%HasF.impl_witness.6e4) [concrete]
// CHECK:STDOUT:   %.e02: type = fn_type_with_self_type %HasF.F.type, %HasF.facet.fa2 [concrete]
// CHECK:STDOUT:   %T.as.HasF.impl.F.specific_fn: <specific function> = specific_function %T.as.HasF.impl.F.f13, @T.as.HasF.impl.F(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .HasF = %HasF.decl
// CHECK:STDOUT:     .G = %G.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %HasF.decl: type = interface_decl @HasF [concrete = constants.%HasF.type] {} {}
// CHECK:STDOUT:   impl_decl @T.as.HasF.impl [concrete] {
// CHECK:STDOUT:     %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %T.ref: type = name_ref T, %T.loc8_14.2 [symbolic = %T.loc8_14.1 (constants.%T)]
// CHECK:STDOUT:     %HasF.ref: type = name_ref HasF, file.%HasF.decl [concrete = constants.%HasF.type]
// CHECK:STDOUT:     %.Self: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT:     %T.loc8_14.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc8_14.1 (constants.%T)]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %HasF.impl_witness_table = impl_witness_table (@T.as.HasF.impl.%T.as.HasF.impl.F.decl), @T.as.HasF.impl [concrete]
// CHECK:STDOUT:   %HasF.impl_witness: <witness> = impl_witness %HasF.impl_witness_table, @T.as.HasF.impl(constants.%T) [symbolic = @T.as.HasF.impl.%HasF.impl_witness (constants.%HasF.impl_witness.ec7)]
// CHECK:STDOUT:   %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {
// CHECK:STDOUT:     %x.patt: %pattern_type.a96 = binding_pattern x [concrete]
// CHECK:STDOUT:     %x.param_patt: %pattern_type.a96 = value_param_pattern %x.patt, call_param0 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %x.param: %empty_struct_type = value_param call_param0
// CHECK:STDOUT:     %.loc12_10.1: type = splice_block %.loc12_10.3 [concrete = constants.%empty_struct_type] {
// CHECK:STDOUT:       %.loc12_10.2: %empty_struct_type = struct_literal ()
// CHECK:STDOUT:       %.loc12_10.3: type = converted %.loc12_10.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
// CHECK:STDOUT:     }
// CHECK:STDOUT:     %x: %empty_struct_type = bind_name x, %x.param
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @HasF {
// CHECK:STDOUT:   %Self: %HasF.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
// CHECK:STDOUT:   %HasF.F.decl: %HasF.F.type = fn_decl @HasF.F [concrete = constants.%HasF.F] {
// CHECK:STDOUT:     %self.patt: @HasF.F.%pattern_type (%pattern_type.28f) = binding_pattern self [concrete]
// CHECK:STDOUT:     %self.param_patt: @HasF.F.%pattern_type (%pattern_type.28f) = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %self.param: @HasF.F.%Self.as_type.loc5_14.1 (%Self.as_type) = value_param call_param0
// CHECK:STDOUT:     %.loc5_14.1: type = splice_block %.loc5_14.2 [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type)] {
// CHECK:STDOUT:       %Self.ref: %HasF.type = name_ref Self, @HasF.%Self [symbolic = %Self (constants.%Self)]
// CHECK:STDOUT:       %Self.as_type.loc5_14.2: type = facet_access_type %Self.ref [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type)]
// CHECK:STDOUT:       %.loc5_14.2: type = converted %Self.ref, %Self.as_type.loc5_14.2 [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type)]
// CHECK:STDOUT:     }
// CHECK:STDOUT:     %self: @HasF.F.%Self.as_type.loc5_14.1 (%Self.as_type) = bind_name self, %self.param
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %assoc0: %HasF.assoc_type = assoc_entity element0, %HasF.F.decl [concrete = constants.%assoc0]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = %Self
// CHECK:STDOUT:   .F = %assoc0
// CHECK:STDOUT:   witness = (%HasF.F.decl)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic impl @T.as.HasF.impl(%T.loc8_14.2: type) {
// CHECK:STDOUT:   %T.loc8_14.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc8_14.1 (constants.%T)]
// CHECK:STDOUT:   %HasF.impl_witness: <witness> = impl_witness file.%HasF.impl_witness_table, @T.as.HasF.impl(%T.loc8_14.1) [symbolic = %HasF.impl_witness (constants.%HasF.impl_witness.ec7)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %T.as.HasF.impl.F.type: type = fn_type @T.as.HasF.impl.F, @T.as.HasF.impl(%T.loc8_14.1) [symbolic = %T.as.HasF.impl.F.type (constants.%T.as.HasF.impl.F.type.3fd)]
// CHECK:STDOUT:   %T.as.HasF.impl.F: @T.as.HasF.impl.%T.as.HasF.impl.F.type (%T.as.HasF.impl.F.type.3fd) = struct_value () [symbolic = %T.as.HasF.impl.F (constants.%T.as.HasF.impl.F.c98)]
// CHECK:STDOUT:
// CHECK:STDOUT:   impl: %T.ref as %HasF.ref {
// CHECK:STDOUT:     %T.as.HasF.impl.F.decl: @T.as.HasF.impl.%T.as.HasF.impl.F.type (%T.as.HasF.impl.F.type.3fd) = fn_decl @T.as.HasF.impl.F [symbolic = @T.as.HasF.impl.%T.as.HasF.impl.F (constants.%T.as.HasF.impl.F.c98)] {
// CHECK:STDOUT:       %self.patt: @T.as.HasF.impl.F.%pattern_type (%pattern_type.7dc) = binding_pattern self [concrete]
// CHECK:STDOUT:       %self.param_patt: @T.as.HasF.impl.F.%pattern_type (%pattern_type.7dc) = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT:     } {
// CHECK:STDOUT:       %self.param: @T.as.HasF.impl.F.%T (%T) = value_param call_param0
// CHECK:STDOUT:       %Self.ref: type = name_ref Self, @T.as.HasF.impl.%T.ref [symbolic = %T (constants.%T)]
// CHECK:STDOUT:       %self: @T.as.HasF.impl.F.%T (%T) = bind_name self, %self.param
// CHECK:STDOUT:     }
// CHECK:STDOUT:
// CHECK:STDOUT:   !members:
// CHECK:STDOUT:     .F = %T.as.HasF.impl.F.decl
// CHECK:STDOUT:     witness = file.%HasF.impl_witness
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @HasF.F(@HasF.%Self: %HasF.type) {
// CHECK:STDOUT:   %Self: %HasF.type = bind_symbolic_name Self, 0 [symbolic = %Self (constants.%Self)]
// CHECK:STDOUT:   %Self.as_type.loc5_14.1: type = facet_access_type %Self [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type)]
// CHECK:STDOUT:   %pattern_type: type = pattern_type %Self.as_type.loc5_14.1 [symbolic = %pattern_type (constants.%pattern_type.28f)]
// CHECK:STDOUT:
// CHECK:STDOUT:   fn(%self.param: @HasF.F.%Self.as_type.loc5_14.1 (%Self.as_type));
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @T.as.HasF.impl.F(@T.as.HasF.impl.%T.loc8_14.2: type) {
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT:   %pattern_type: type = pattern_type %T [symbolic = %pattern_type (constants.%pattern_type.7dc)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %T [symbolic = %require_complete (constants.%require_complete)]
// CHECK:STDOUT:
// CHECK:STDOUT:   fn(%self.param: @T.as.HasF.impl.F.%T (%T)) {
// CHECK:STDOUT:   !entry:
// CHECK:STDOUT:     return
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G(%x.param: %empty_struct_type) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %x.ref: %empty_struct_type = name_ref x, %x
// CHECK:STDOUT:   %HasF.ref: type = name_ref HasF, file.%HasF.decl [concrete = constants.%HasF.type]
// CHECK:STDOUT:   %F.ref: %HasF.assoc_type = name_ref F, @HasF.%assoc0 [concrete = constants.%assoc0]
// CHECK:STDOUT:   %impl.elem0: %.e02 = impl_witness_access constants.%HasF.impl_witness.6e4, element0 [concrete = constants.%T.as.HasF.impl.F.f13]
// CHECK:STDOUT:   %bound_method.loc13_4: <bound method> = bound_method %x.ref, %impl.elem0
// CHECK:STDOUT:   %specific_fn: <specific function> = specific_function %impl.elem0, @T.as.HasF.impl.F(constants.%empty_struct_type) [concrete = constants.%T.as.HasF.impl.F.specific_fn]
// CHECK:STDOUT:   %bound_method.loc13_14: <bound method> = bound_method %x.ref, %specific_fn
// CHECK:STDOUT:   %T.as.HasF.impl.F.call: init %empty_tuple.type = call %bound_method.loc13_14(%x.ref)
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @HasF.F(constants.%Self) {
// CHECK:STDOUT:   %Self => constants.%Self
// CHECK:STDOUT:   %Self.as_type.loc5_14.1 => constants.%Self.as_type
// CHECK:STDOUT:   %pattern_type => constants.%pattern_type.28f
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @T.as.HasF.impl(constants.%T) {
// CHECK:STDOUT:   %T.loc8_14.1 => constants.%T
// CHECK:STDOUT:   %HasF.impl_witness => constants.%HasF.impl_witness.ec7
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %T.as.HasF.impl.F.type => constants.%T.as.HasF.impl.F.type.3fd
// CHECK:STDOUT:   %T.as.HasF.impl.F => constants.%T.as.HasF.impl.F.c98
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @T.as.HasF.impl.F(constants.%T) {
// CHECK:STDOUT:   %T => constants.%T
// CHECK:STDOUT:   %pattern_type => constants.%pattern_type.7dc
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @HasF.F(constants.%HasF.facet.216) {
// CHECK:STDOUT:   %Self => constants.%HasF.facet.216
// CHECK:STDOUT:   %Self.as_type.loc5_14.1 => constants.%T
// CHECK:STDOUT:   %pattern_type => constants.%pattern_type.7dc
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @T.as.HasF.impl(constants.%empty_struct_type) {
// CHECK:STDOUT:   %T.loc8_14.1 => constants.%empty_struct_type
// CHECK:STDOUT:   %HasF.impl_witness => constants.%HasF.impl_witness.6e4
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %T.as.HasF.impl.F.type => constants.%T.as.HasF.impl.F.type.2e4
// CHECK:STDOUT:   %T.as.HasF.impl.F => constants.%T.as.HasF.impl.F.f13
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @T.as.HasF.impl.F(constants.%empty_struct_type) {
// CHECK:STDOUT:   %T => constants.%empty_struct_type
// CHECK:STDOUT:   %pattern_type => constants.%pattern_type.a96
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %require_complete => constants.%complete_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- deduced_type_subst.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %HasF.type: type = facet_type <@HasF> [concrete]
// CHECK:STDOUT:   %Self.f0c: %HasF.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT:   %Self.as_type.308: type = facet_access_type %Self.f0c [symbolic]
// CHECK:STDOUT:   %pattern_type.28f: type = pattern_type %Self.as_type.308 [symbolic]
// CHECK:STDOUT:   %HasF.F.type: type = fn_type @HasF.F [concrete]
// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT:   %HasF.F: %HasF.F.type = struct_value () [concrete]
// CHECK:STDOUT:   %HasF.assoc_type: type = assoc_entity_type @HasF [concrete]
// CHECK:STDOUT:   %assoc0.97a: %HasF.assoc_type = assoc_entity element0, @HasF.%HasF.F.decl [concrete]
// CHECK:STDOUT:   %.Self: type = bind_symbolic_name .Self [symbolic_self]
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT:   %pattern_type.98f: type = pattern_type type [concrete]
// CHECK:STDOUT:   %HasF.impl_witness.ec7: <witness> = impl_witness file.%HasF.impl_witness_table, @T.as.HasF.impl(%T) [symbolic]
// CHECK:STDOUT:   %pattern_type.7dc: type = pattern_type %T [symbolic]
// CHECK:STDOUT:   %T.as.HasF.impl.F.type.3fd: type = fn_type @T.as.HasF.impl.F, @T.as.HasF.impl(%T) [symbolic]
// CHECK:STDOUT:   %T.as.HasF.impl.F.c98: %T.as.HasF.impl.F.type.3fd = struct_value () [symbolic]
// CHECK:STDOUT:   %HasF.facet.216: %HasF.type = facet_value %T, (%HasF.impl_witness.ec7) [symbolic]
// CHECK:STDOUT:   %require_complete.4ae: <witness> = require_complete_type %T [symbolic]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT:   %pattern_type.a96: type = pattern_type %empty_struct_type [concrete]
// CHECK:STDOUT:   %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT:   %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT:   %HasF.impl_witness.6e4: <witness> = impl_witness file.%HasF.impl_witness_table, @T.as.HasF.impl(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %T.as.HasF.impl.F.type.2e4: type = fn_type @T.as.HasF.impl.F, @T.as.HasF.impl(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %T.as.HasF.impl.F.f13: %T.as.HasF.impl.F.type.2e4 = struct_value () [concrete]
// CHECK:STDOUT:   %HasF.facet.fa2: %HasF.type = facet_value %empty_struct_type, (%HasF.impl_witness.6e4) [concrete]
// CHECK:STDOUT:   %.e02: type = fn_type_with_self_type %HasF.F.type, %HasF.facet.fa2 [concrete]
// CHECK:STDOUT:   %T.as.HasF.impl.F.specific_fn: <specific function> = specific_function %T.as.HasF.impl.F.f13, @T.as.HasF.impl.F(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
// CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT:   %T.as.Destroy.impl.Op.type.069: type = fn_type @T.as.Destroy.impl.Op, @T.as.Destroy.impl(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %T.as.Destroy.impl.Op.d5a: %T.as.Destroy.impl.Op.type.069 = struct_value () [concrete]
// CHECK:STDOUT:   %ptr.c28: type = ptr_type %empty_struct_type [concrete]
// CHECK:STDOUT:   %T.as.Destroy.impl.Op.specific_fn: <specific function> = specific_function %T.as.Destroy.impl.Op.d5a, @T.as.Destroy.impl.Op(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %complete_type.357: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     .Destroy = %Core.Destroy
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.Destroy: type = import_ref Core//prelude/parts/destroy, Destroy, loaded [concrete = constants.%Destroy.type]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .HasF = %HasF.decl
// CHECK:STDOUT:     .G = %G.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %HasF.decl: type = interface_decl @HasF [concrete = constants.%HasF.type] {} {}
// CHECK:STDOUT:   impl_decl @T.as.HasF.impl [concrete] {
// CHECK:STDOUT:     %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %T.ref: type = name_ref T, %T.loc8_14.2 [symbolic = %T.loc8_14.1 (constants.%T)]
// CHECK:STDOUT:     %HasF.ref: type = name_ref HasF, file.%HasF.decl [concrete = constants.%HasF.type]
// CHECK:STDOUT:     %.Self: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT:     %T.loc8_14.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc8_14.1 (constants.%T)]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %HasF.impl_witness_table = impl_witness_table (@T.as.HasF.impl.%T.as.HasF.impl.F.decl), @T.as.HasF.impl [concrete]
// CHECK:STDOUT:   %HasF.impl_witness: <witness> = impl_witness %HasF.impl_witness_table, @T.as.HasF.impl(constants.%T) [symbolic = @T.as.HasF.impl.%HasF.impl_witness (constants.%HasF.impl_witness.ec7)]
// CHECK:STDOUT:   %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {
// CHECK:STDOUT:     %x.patt: %pattern_type.a96 = binding_pattern x [concrete]
// CHECK:STDOUT:     %x.param_patt: %pattern_type.a96 = value_param_pattern %x.patt, call_param0 [concrete]
// CHECK:STDOUT:     %return.patt: %pattern_type.a96 = return_slot_pattern [concrete]
// CHECK:STDOUT:     %return.param_patt: %pattern_type.a96 = out_param_pattern %return.patt, call_param1 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %.loc12_17.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT:     %.loc12_17.2: type = converted %.loc12_17.1, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
// CHECK:STDOUT:     %x.param: %empty_struct_type = value_param call_param0
// CHECK:STDOUT:     %.loc12_10.1: type = splice_block %.loc12_10.3 [concrete = constants.%empty_struct_type] {
// CHECK:STDOUT:       %.loc12_10.2: %empty_struct_type = struct_literal ()
// CHECK:STDOUT:       %.loc12_10.3: type = converted %.loc12_10.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
// CHECK:STDOUT:     }
// CHECK:STDOUT:     %x: %empty_struct_type = bind_name x, %x.param
// CHECK:STDOUT:     %return.param: ref %empty_struct_type = out_param call_param1
// CHECK:STDOUT:     %return: ref %empty_struct_type = return_slot %return.param
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @HasF {
// CHECK:STDOUT:   %Self: %HasF.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self.f0c]
// CHECK:STDOUT:   %HasF.F.decl: %HasF.F.type = fn_decl @HasF.F [concrete = constants.%HasF.F] {
// CHECK:STDOUT:     %self.patt: @HasF.F.%pattern_type (%pattern_type.28f) = binding_pattern self [concrete]
// CHECK:STDOUT:     %self.param_patt: @HasF.F.%pattern_type (%pattern_type.28f) = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT:     %return.patt: @HasF.F.%pattern_type (%pattern_type.28f) = return_slot_pattern [concrete]
// CHECK:STDOUT:     %return.param_patt: @HasF.F.%pattern_type (%pattern_type.28f) = out_param_pattern %return.patt, call_param1 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %Self.ref.loc5_25: %HasF.type = name_ref Self, @HasF.%Self [symbolic = %Self (constants.%Self.f0c)]
// CHECK:STDOUT:     %Self.as_type.loc5_25: type = facet_access_type %Self.ref.loc5_25 [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type.308)]
// CHECK:STDOUT:     %.loc5_25: type = converted %Self.ref.loc5_25, %Self.as_type.loc5_25 [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type.308)]
// CHECK:STDOUT:     %self.param: @HasF.F.%Self.as_type.loc5_14.1 (%Self.as_type.308) = value_param call_param0
// CHECK:STDOUT:     %.loc5_14.1: type = splice_block %.loc5_14.2 [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type.308)] {
// CHECK:STDOUT:       %Self.ref.loc5_14: %HasF.type = name_ref Self, @HasF.%Self [symbolic = %Self (constants.%Self.f0c)]
// CHECK:STDOUT:       %Self.as_type.loc5_14.2: type = facet_access_type %Self.ref.loc5_14 [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type.308)]
// CHECK:STDOUT:       %.loc5_14.2: type = converted %Self.ref.loc5_14, %Self.as_type.loc5_14.2 [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type.308)]
// CHECK:STDOUT:     }
// CHECK:STDOUT:     %self: @HasF.F.%Self.as_type.loc5_14.1 (%Self.as_type.308) = bind_name self, %self.param
// CHECK:STDOUT:     %return.param: ref @HasF.F.%Self.as_type.loc5_14.1 (%Self.as_type.308) = out_param call_param1
// CHECK:STDOUT:     %return: ref @HasF.F.%Self.as_type.loc5_14.1 (%Self.as_type.308) = return_slot %return.param
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %assoc0: %HasF.assoc_type = assoc_entity element0, %HasF.F.decl [concrete = constants.%assoc0.97a]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = %Self
// CHECK:STDOUT:   .F = %assoc0
// CHECK:STDOUT:   witness = (%HasF.F.decl)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic impl @T.as.HasF.impl(%T.loc8_14.2: type) {
// CHECK:STDOUT:   %T.loc8_14.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc8_14.1 (constants.%T)]
// CHECK:STDOUT:   %HasF.impl_witness: <witness> = impl_witness file.%HasF.impl_witness_table, @T.as.HasF.impl(%T.loc8_14.1) [symbolic = %HasF.impl_witness (constants.%HasF.impl_witness.ec7)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %T.as.HasF.impl.F.type: type = fn_type @T.as.HasF.impl.F, @T.as.HasF.impl(%T.loc8_14.1) [symbolic = %T.as.HasF.impl.F.type (constants.%T.as.HasF.impl.F.type.3fd)]
// CHECK:STDOUT:   %T.as.HasF.impl.F: @T.as.HasF.impl.%T.as.HasF.impl.F.type (%T.as.HasF.impl.F.type.3fd) = struct_value () [symbolic = %T.as.HasF.impl.F (constants.%T.as.HasF.impl.F.c98)]
// CHECK:STDOUT:
// CHECK:STDOUT:   impl: %T.ref as %HasF.ref {
// CHECK:STDOUT:     %T.as.HasF.impl.F.decl: @T.as.HasF.impl.%T.as.HasF.impl.F.type (%T.as.HasF.impl.F.type.3fd) = fn_decl @T.as.HasF.impl.F [symbolic = @T.as.HasF.impl.%T.as.HasF.impl.F (constants.%T.as.HasF.impl.F.c98)] {
// CHECK:STDOUT:       %self.patt: @T.as.HasF.impl.F.%pattern_type (%pattern_type.7dc) = binding_pattern self [concrete]
// CHECK:STDOUT:       %self.param_patt: @T.as.HasF.impl.F.%pattern_type (%pattern_type.7dc) = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT:       %return.patt: @T.as.HasF.impl.F.%pattern_type (%pattern_type.7dc) = return_slot_pattern [concrete]
// CHECK:STDOUT:       %return.param_patt: @T.as.HasF.impl.F.%pattern_type (%pattern_type.7dc) = out_param_pattern %return.patt, call_param1 [concrete]
// CHECK:STDOUT:     } {
// CHECK:STDOUT:       %T.ref: type = name_ref T, @T.as.HasF.impl.%T.loc8_14.2 [symbolic = %T (constants.%T)]
// CHECK:STDOUT:       %self.param: @T.as.HasF.impl.F.%T (%T) = value_param call_param0
// CHECK:STDOUT:       %Self.ref: type = name_ref Self, @T.as.HasF.impl.%T.ref [symbolic = %T (constants.%T)]
// CHECK:STDOUT:       %self: @T.as.HasF.impl.F.%T (%T) = bind_name self, %self.param
// CHECK:STDOUT:       %return.param: ref @T.as.HasF.impl.F.%T (%T) = out_param call_param1
// CHECK:STDOUT:       %return: ref @T.as.HasF.impl.F.%T (%T) = return_slot %return.param
// CHECK:STDOUT:     }
// CHECK:STDOUT:
// CHECK:STDOUT:   !members:
// CHECK:STDOUT:     .T = <poisoned>
// CHECK:STDOUT:     .F = %T.as.HasF.impl.F.decl
// CHECK:STDOUT:     witness = file.%HasF.impl_witness
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @HasF.F(@HasF.%Self: %HasF.type) {
// CHECK:STDOUT:   %Self: %HasF.type = bind_symbolic_name Self, 0 [symbolic = %Self (constants.%Self.f0c)]
// CHECK:STDOUT:   %Self.as_type.loc5_14.1: type = facet_access_type %Self [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type.308)]
// CHECK:STDOUT:   %pattern_type: type = pattern_type %Self.as_type.loc5_14.1 [symbolic = %pattern_type (constants.%pattern_type.28f)]
// CHECK:STDOUT:
// CHECK:STDOUT:   fn(%self.param: @HasF.F.%Self.as_type.loc5_14.1 (%Self.as_type.308)) -> @HasF.F.%Self.as_type.loc5_14.1 (%Self.as_type.308);
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @T.as.HasF.impl.F(@T.as.HasF.impl.%T.loc8_14.2: type) {
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT:   %pattern_type: type = pattern_type %T [symbolic = %pattern_type (constants.%pattern_type.7dc)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %T [symbolic = %require_complete (constants.%require_complete.4ae)]
// CHECK:STDOUT:
// CHECK:STDOUT:   fn(%self.param: @T.as.HasF.impl.F.%T (%T)) -> @T.as.HasF.impl.F.%T (%T) {
// CHECK:STDOUT:   !entry:
// CHECK:STDOUT:     %self.ref: @T.as.HasF.impl.F.%T (%T) = name_ref self, %self
// CHECK:STDOUT:     return %self.ref
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G(%x.param: %empty_struct_type) -> %empty_struct_type {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %x.ref: %empty_struct_type = name_ref x, %x
// CHECK:STDOUT:   %HasF.ref: type = name_ref HasF, file.%HasF.decl [concrete = constants.%HasF.type]
// CHECK:STDOUT:   %F.ref: %HasF.assoc_type = name_ref F, @HasF.%assoc0 [concrete = constants.%assoc0.97a]
// CHECK:STDOUT:   %impl.elem0: %.e02 = impl_witness_access constants.%HasF.impl_witness.6e4, element0 [concrete = constants.%T.as.HasF.impl.F.f13]
// CHECK:STDOUT:   %bound_method.loc13_11: <bound method> = bound_method %x.ref, %impl.elem0
// CHECK:STDOUT:   %specific_fn: <specific function> = specific_function %impl.elem0, @T.as.HasF.impl.F(constants.%empty_struct_type) [concrete = constants.%T.as.HasF.impl.F.specific_fn]
// CHECK:STDOUT:   %bound_method.loc13_21.1: <bound method> = bound_method %x.ref, %specific_fn
// CHECK:STDOUT:   %T.as.HasF.impl.F.call: init %empty_struct_type = call %bound_method.loc13_21.1(%x.ref)
// CHECK:STDOUT:   %.loc13_21.1: ref %empty_struct_type = temporary_storage
// CHECK:STDOUT:   %.loc13_21.2: ref %empty_struct_type = temporary %.loc13_21.1, %T.as.HasF.impl.F.call
// CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete = constants.%empty_struct]
// CHECK:STDOUT:   %.loc13_22: %empty_struct_type = converted %T.as.HasF.impl.F.call, %empty_struct [concrete = constants.%empty_struct]
// CHECK:STDOUT:   %T.as.Destroy.impl.Op.bound: <bound method> = bound_method %.loc13_21.1, constants.%T.as.Destroy.impl.Op.d5a
// CHECK:STDOUT:   %T.as.Destroy.impl.Op.specific_fn: <specific function> = specific_function constants.%T.as.Destroy.impl.Op.d5a, @T.as.Destroy.impl.Op(constants.%empty_struct_type) [concrete = constants.%T.as.Destroy.impl.Op.specific_fn]
// CHECK:STDOUT:   %bound_method.loc13_21.2: <bound method> = bound_method %.loc13_21.1, %T.as.Destroy.impl.Op.specific_fn
// CHECK:STDOUT:   %addr: %ptr.c28 = addr_of %.loc13_21.1
// CHECK:STDOUT:   %T.as.Destroy.impl.Op.call: init %empty_tuple.type = call %bound_method.loc13_21.2(%addr)
// CHECK:STDOUT:   return %.loc13_22
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @HasF.F(constants.%Self.f0c) {
// CHECK:STDOUT:   %Self => constants.%Self.f0c
// CHECK:STDOUT:   %Self.as_type.loc5_14.1 => constants.%Self.as_type.308
// CHECK:STDOUT:   %pattern_type => constants.%pattern_type.28f
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @T.as.HasF.impl(constants.%T) {
// CHECK:STDOUT:   %T.loc8_14.1 => constants.%T
// CHECK:STDOUT:   %HasF.impl_witness => constants.%HasF.impl_witness.ec7
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %T.as.HasF.impl.F.type => constants.%T.as.HasF.impl.F.type.3fd
// CHECK:STDOUT:   %T.as.HasF.impl.F => constants.%T.as.HasF.impl.F.c98
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @T.as.HasF.impl.F(constants.%T) {
// CHECK:STDOUT:   %T => constants.%T
// CHECK:STDOUT:   %pattern_type => constants.%pattern_type.7dc
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @HasF.F(constants.%HasF.facet.216) {
// CHECK:STDOUT:   %Self => constants.%HasF.facet.216
// CHECK:STDOUT:   %Self.as_type.loc5_14.1 => constants.%T
// CHECK:STDOUT:   %pattern_type => constants.%pattern_type.7dc
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @T.as.HasF.impl(constants.%empty_struct_type) {
// CHECK:STDOUT:   %T.loc8_14.1 => constants.%empty_struct_type
// CHECK:STDOUT:   %HasF.impl_witness => constants.%HasF.impl_witness.6e4
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %T.as.HasF.impl.F.type => constants.%T.as.HasF.impl.F.type.2e4
// CHECK:STDOUT:   %T.as.HasF.impl.F => constants.%T.as.HasF.impl.F.f13
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @T.as.HasF.impl.F(constants.%empty_struct_type) {
// CHECK:STDOUT:   %T => constants.%empty_struct_type
// CHECK:STDOUT:   %pattern_type => constants.%pattern_type.a96
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %require_complete => constants.%complete_type.357
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- deduced_type_argument.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %HasF.type: type = facet_type <@HasF> [concrete]
// CHECK:STDOUT:   %Self.f0c: %HasF.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT:   %Self.as_type.308: type = facet_access_type %Self.f0c [symbolic]
// CHECK:STDOUT:   %pattern_type.28f: type = pattern_type %Self.as_type.308 [symbolic]
// CHECK:STDOUT:   %HasF.F.type: type = fn_type @HasF.F [concrete]
// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT:   %HasF.F: %HasF.F.type = struct_value () [concrete]
// CHECK:STDOUT:   %HasF.assoc_type: type = assoc_entity_type @HasF [concrete]
// CHECK:STDOUT:   %assoc0: %HasF.assoc_type = assoc_entity element0, @HasF.%HasF.F.decl [concrete]
// CHECK:STDOUT:   %.Self: type = bind_symbolic_name .Self [symbolic_self]
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT:   %pattern_type.98f: type = pattern_type type [concrete]
// CHECK:STDOUT:   %C.type: type = generic_class_type @C [concrete]
// CHECK:STDOUT:   %C.generic: %C.type = struct_value () [concrete]
// CHECK:STDOUT:   %C.f2e: type = class_type @C, @C(%T) [symbolic]
// CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT:   %pattern_type.f6d: type = pattern_type auto [concrete]
// CHECK:STDOUT:   %Destroy.impl_witness: <witness> = impl_witness @C.%Destroy.impl_witness_table, @C.as.Destroy.impl(%T) [symbolic]
// CHECK:STDOUT:   %ptr.7d2: type = ptr_type %C.f2e [symbolic]
// CHECK:STDOUT:   %pattern_type.1d2: type = pattern_type %ptr.7d2 [symbolic]
// CHECK:STDOUT:   %C.as.Destroy.impl.Op.type: type = fn_type @C.as.Destroy.impl.Op, @C.as.Destroy.impl(%T) [symbolic]
// CHECK:STDOUT:   %C.as.Destroy.impl.Op: %C.as.Destroy.impl.Op.type = struct_value () [symbolic]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT:   %HasF.impl_witness.834: <witness> = impl_witness file.%HasF.impl_witness_table, @C.as.HasF.impl(%T) [symbolic]
// CHECK:STDOUT:   %pattern_type.e5e: type = pattern_type %C.f2e [symbolic]
// CHECK:STDOUT:   %C.as.HasF.impl.F.type.8fe: type = fn_type @C.as.HasF.impl.F, @C.as.HasF.impl(%T) [symbolic]
// CHECK:STDOUT:   %C.as.HasF.impl.F.92a: %C.as.HasF.impl.F.type.8fe = struct_value () [symbolic]
// CHECK:STDOUT:   %HasF.facet.766: %HasF.type = facet_value %C.f2e, (%HasF.impl_witness.834) [symbolic]
// CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %C.f2e [symbolic]
// CHECK:STDOUT:   %C.7a7: type = class_type @C, @C(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %pattern_type.99a: type = pattern_type %C.7a7 [concrete]
// CHECK:STDOUT:   %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT:   %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT:   %HasF.impl_witness.0de: <witness> = impl_witness file.%HasF.impl_witness_table, @C.as.HasF.impl(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %C.as.HasF.impl.F.type.2e5: type = fn_type @C.as.HasF.impl.F, @C.as.HasF.impl(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %C.as.HasF.impl.F.c77: %C.as.HasF.impl.F.type.2e5 = struct_value () [concrete]
// CHECK:STDOUT:   %HasF.facet.672: %HasF.type = facet_value %C.7a7, (%HasF.impl_witness.0de) [concrete]
// CHECK:STDOUT:   %.0c7: type = fn_type_with_self_type %HasF.F.type, %HasF.facet.672 [concrete]
// CHECK:STDOUT:   %C.as.HasF.impl.F.specific_fn: <specific function> = specific_function %C.as.HasF.impl.F.c77, @C.as.HasF.impl.F(%empty_struct_type) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     .Destroy = %Core.Destroy
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.Destroy: type = import_ref Core//prelude/parts/destroy, Destroy, loaded [concrete = constants.%Destroy.type]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .HasF = %HasF.decl
// CHECK:STDOUT:     .C = %C.decl
// CHECK:STDOUT:     .G = %G.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %HasF.decl: type = interface_decl @HasF [concrete = constants.%HasF.type] {} {}
// CHECK:STDOUT:   %C.decl: %C.type = class_decl @C [concrete = constants.%C.generic] {
// CHECK:STDOUT:     %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %.Self: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT:     %T.loc8_9.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc8_9.1 (constants.%T)]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   impl_decl @C.as.HasF.impl [concrete] {
// CHECK:STDOUT:     %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %C.ref: %C.type = name_ref C, file.%C.decl [concrete = constants.%C.generic]
// CHECK:STDOUT:     %T.ref: type = name_ref T, %T.loc10_14.2 [symbolic = %T.loc10_14.1 (constants.%T)]
// CHECK:STDOUT:     %C.loc10_27.2: type = class_type @C, @C(constants.%T) [symbolic = %C.loc10_27.1 (constants.%C.f2e)]
// CHECK:STDOUT:     %HasF.ref: type = name_ref HasF, file.%HasF.decl [concrete = constants.%HasF.type]
// CHECK:STDOUT:     %.Self: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT:     %T.loc10_14.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc10_14.1 (constants.%T)]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %HasF.impl_witness_table = impl_witness_table (@C.as.HasF.impl.%C.as.HasF.impl.F.decl), @C.as.HasF.impl [concrete]
// CHECK:STDOUT:   %HasF.impl_witness: <witness> = impl_witness %HasF.impl_witness_table, @C.as.HasF.impl(constants.%T) [symbolic = @C.as.HasF.impl.%HasF.impl_witness (constants.%HasF.impl_witness.834)]
// CHECK:STDOUT:   %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {
// CHECK:STDOUT:     %x.patt: %pattern_type.99a = binding_pattern x [concrete]
// CHECK:STDOUT:     %x.param_patt: %pattern_type.99a = value_param_pattern %x.patt, call_param0 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %x.param: %C.7a7 = value_param call_param0
// CHECK:STDOUT:     %.loc14_13.1: type = splice_block %C [concrete = constants.%C.7a7] {
// CHECK:STDOUT:       %C.ref: %C.type = name_ref C, file.%C.decl [concrete = constants.%C.generic]
// CHECK:STDOUT:       %.loc14_12: %empty_struct_type = struct_literal ()
// CHECK:STDOUT:       %.loc14_13.2: type = converted %.loc14_12, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
// CHECK:STDOUT:       %C: type = class_type @C, @C(constants.%empty_struct_type) [concrete = constants.%C.7a7]
// CHECK:STDOUT:     }
// CHECK:STDOUT:     %x: %C.7a7 = bind_name x, %x.param
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @HasF {
// CHECK:STDOUT:   %Self: %HasF.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self.f0c]
// CHECK:STDOUT:   %HasF.F.decl: %HasF.F.type = fn_decl @HasF.F [concrete = constants.%HasF.F] {
// CHECK:STDOUT:     %self.patt: @HasF.F.%pattern_type (%pattern_type.28f) = binding_pattern self [concrete]
// CHECK:STDOUT:     %self.param_patt: @HasF.F.%pattern_type (%pattern_type.28f) = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %self.param: @HasF.F.%Self.as_type.loc5_14.1 (%Self.as_type.308) = value_param call_param0
// CHECK:STDOUT:     %.loc5_14.1: type = splice_block %.loc5_14.2 [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type.308)] {
// CHECK:STDOUT:       %Self.ref: %HasF.type = name_ref Self, @HasF.%Self [symbolic = %Self (constants.%Self.f0c)]
// CHECK:STDOUT:       %Self.as_type.loc5_14.2: type = facet_access_type %Self.ref [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type.308)]
// CHECK:STDOUT:       %.loc5_14.2: type = converted %Self.ref, %Self.as_type.loc5_14.2 [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type.308)]
// CHECK:STDOUT:     }
// CHECK:STDOUT:     %self: @HasF.F.%Self.as_type.loc5_14.1 (%Self.as_type.308) = bind_name self, %self.param
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %assoc0: %HasF.assoc_type = assoc_entity element0, %HasF.F.decl [concrete = constants.%assoc0]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = %Self
// CHECK:STDOUT:   .F = %assoc0
// CHECK:STDOUT:   witness = (%HasF.F.decl)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic impl @C.as.Destroy.impl(@C.%T.loc8_9.2: type) {
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT:   %C: type = class_type @C, @C(%T) [symbolic = %C (constants.%C.f2e)]
// CHECK:STDOUT:   %Destroy.impl_witness: <witness> = impl_witness @C.%Destroy.impl_witness_table, @C.as.Destroy.impl(%T) [symbolic = %Destroy.impl_witness (constants.%Destroy.impl_witness)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %C.as.Destroy.impl.Op.type: type = fn_type @C.as.Destroy.impl.Op, @C.as.Destroy.impl(%T) [symbolic = %C.as.Destroy.impl.Op.type (constants.%C.as.Destroy.impl.Op.type)]
// CHECK:STDOUT:   %C.as.Destroy.impl.Op: @C.as.Destroy.impl.%C.as.Destroy.impl.Op.type (%C.as.Destroy.impl.Op.type) = struct_value () [symbolic = %C.as.Destroy.impl.Op (constants.%C.as.Destroy.impl.Op)]
// CHECK:STDOUT:
// CHECK:STDOUT:   impl: @C.%Self.ref as constants.%Destroy.type {
// CHECK:STDOUT:     %C.as.Destroy.impl.Op.decl: @C.as.Destroy.impl.%C.as.Destroy.impl.Op.type (%C.as.Destroy.impl.Op.type) = fn_decl @C.as.Destroy.impl.Op [symbolic = @C.as.Destroy.impl.%C.as.Destroy.impl.Op (constants.%C.as.Destroy.impl.Op)] {
// CHECK:STDOUT:       %self.patt: @C.as.Destroy.impl.Op.%pattern_type (%pattern_type.1d2) = binding_pattern self [concrete]
// CHECK:STDOUT:       %self.param_patt: @C.as.Destroy.impl.Op.%pattern_type (%pattern_type.1d2) = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT:       %.loc8_19.1: %pattern_type.f6d = addr_pattern %self.param_patt [concrete]
// CHECK:STDOUT:     } {
// CHECK:STDOUT:       %self.param: @C.as.Destroy.impl.Op.%ptr (%ptr.7d2) = value_param call_param0
// CHECK:STDOUT:       %.loc8_19.2: type = splice_block %Self.ref [symbolic = %C (constants.%C.f2e)] {
// CHECK:STDOUT:         %.loc8_19.3: type = specific_constant constants.%C.f2e, @C(constants.%T) [symbolic = %C (constants.%C.f2e)]
// CHECK:STDOUT:         %Self.ref: type = name_ref Self, %.loc8_19.3 [symbolic = %C (constants.%C.f2e)]
// CHECK:STDOUT:       }
// CHECK:STDOUT:       %self: @C.as.Destroy.impl.Op.%ptr (%ptr.7d2) = bind_name self, %self.param
// CHECK:STDOUT:     }
// CHECK:STDOUT:
// CHECK:STDOUT:   !members:
// CHECK:STDOUT:     .Op = %C.as.Destroy.impl.Op.decl
// CHECK:STDOUT:     witness = @C.%Destroy.impl_witness
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic impl @C.as.HasF.impl(%T.loc10_14.2: type) {
// CHECK:STDOUT:   %T.loc10_14.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc10_14.1 (constants.%T)]
// CHECK:STDOUT:   %C.loc10_27.1: type = class_type @C, @C(%T.loc10_14.1) [symbolic = %C.loc10_27.1 (constants.%C.f2e)]
// CHECK:STDOUT:   %HasF.impl_witness: <witness> = impl_witness file.%HasF.impl_witness_table, @C.as.HasF.impl(%T.loc10_14.1) [symbolic = %HasF.impl_witness (constants.%HasF.impl_witness.834)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %C.as.HasF.impl.F.type: type = fn_type @C.as.HasF.impl.F, @C.as.HasF.impl(%T.loc10_14.1) [symbolic = %C.as.HasF.impl.F.type (constants.%C.as.HasF.impl.F.type.8fe)]
// CHECK:STDOUT:   %C.as.HasF.impl.F: @C.as.HasF.impl.%C.as.HasF.impl.F.type (%C.as.HasF.impl.F.type.8fe) = struct_value () [symbolic = %C.as.HasF.impl.F (constants.%C.as.HasF.impl.F.92a)]
// CHECK:STDOUT:
// CHECK:STDOUT:   impl: %C.loc10_27.2 as %HasF.ref {
// CHECK:STDOUT:     %C.as.HasF.impl.F.decl: @C.as.HasF.impl.%C.as.HasF.impl.F.type (%C.as.HasF.impl.F.type.8fe) = fn_decl @C.as.HasF.impl.F [symbolic = @C.as.HasF.impl.%C.as.HasF.impl.F (constants.%C.as.HasF.impl.F.92a)] {
// CHECK:STDOUT:       %self.patt: @C.as.HasF.impl.F.%pattern_type (%pattern_type.e5e) = binding_pattern self [concrete]
// CHECK:STDOUT:       %self.param_patt: @C.as.HasF.impl.F.%pattern_type (%pattern_type.e5e) = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT:     } {
// CHECK:STDOUT:       %self.param: @C.as.HasF.impl.F.%C (%C.f2e) = value_param call_param0
// CHECK:STDOUT:       %Self.ref: type = name_ref Self, @C.as.HasF.impl.%C.loc10_27.2 [symbolic = %C (constants.%C.f2e)]
// CHECK:STDOUT:       %self: @C.as.HasF.impl.F.%C (%C.f2e) = bind_name self, %self.param
// CHECK:STDOUT:     }
// CHECK:STDOUT:
// CHECK:STDOUT:   !members:
// CHECK:STDOUT:     .F = %C.as.HasF.impl.F.decl
// CHECK:STDOUT:     witness = file.%HasF.impl_witness
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic class @C(%T.loc8_9.2: type) {
// CHECK:STDOUT:   %T.loc8_9.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc8_9.1 (constants.%T)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:
// CHECK:STDOUT:   class {
// CHECK:STDOUT:     %Self.ref: type = name_ref Self, constants.%C.f2e [symbolic = @C.as.Destroy.impl.%C (constants.%C.f2e)]
// CHECK:STDOUT:     impl_decl @C.as.Destroy.impl [concrete] {} {}
// CHECK:STDOUT:     %Destroy.impl_witness_table = impl_witness_table (@C.as.Destroy.impl.%C.as.Destroy.impl.Op.decl), @C.as.Destroy.impl [concrete]
// CHECK:STDOUT:     %Destroy.impl_witness: <witness> = impl_witness %Destroy.impl_witness_table, @C.as.Destroy.impl(constants.%T) [symbolic = @C.as.Destroy.impl.%Destroy.impl_witness (constants.%Destroy.impl_witness)]
// CHECK:STDOUT:     %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT:     complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT:   !members:
// CHECK:STDOUT:     .Self = constants.%C.f2e
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @HasF.F(@HasF.%Self: %HasF.type) {
// CHECK:STDOUT:   %Self: %HasF.type = bind_symbolic_name Self, 0 [symbolic = %Self (constants.%Self.f0c)]
// CHECK:STDOUT:   %Self.as_type.loc5_14.1: type = facet_access_type %Self [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type.308)]
// CHECK:STDOUT:   %pattern_type: type = pattern_type %Self.as_type.loc5_14.1 [symbolic = %pattern_type (constants.%pattern_type.28f)]
// CHECK:STDOUT:
// CHECK:STDOUT:   fn(%self.param: @HasF.F.%Self.as_type.loc5_14.1 (%Self.as_type.308));
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @C.as.Destroy.impl.Op(@C.%T.loc8_9.2: type) {
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT:   %C: type = class_type @C, @C(%T) [symbolic = %C (constants.%C.f2e)]
// CHECK:STDOUT:   %ptr: type = ptr_type %C [symbolic = %ptr (constants.%ptr.7d2)]
// CHECK:STDOUT:   %pattern_type: type = pattern_type %ptr [symbolic = %pattern_type (constants.%pattern_type.1d2)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:
// CHECK:STDOUT:   fn(%self.param: @C.as.Destroy.impl.Op.%ptr (%ptr.7d2)) = "no_op";
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @C.as.HasF.impl.F(@C.as.HasF.impl.%T.loc10_14.2: type) {
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT:   %C: type = class_type @C, @C(%T) [symbolic = %C (constants.%C.f2e)]
// CHECK:STDOUT:   %pattern_type: type = pattern_type %C [symbolic = %pattern_type (constants.%pattern_type.e5e)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %C [symbolic = %require_complete (constants.%require_complete)]
// CHECK:STDOUT:
// CHECK:STDOUT:   fn(%self.param: @C.as.HasF.impl.F.%C (%C.f2e)) {
// CHECK:STDOUT:   !entry:
// CHECK:STDOUT:     return
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G(%x.param: %C.7a7) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %x.ref: %C.7a7 = name_ref x, %x
// CHECK:STDOUT:   %HasF.ref: type = name_ref HasF, file.%HasF.decl [concrete = constants.%HasF.type]
// CHECK:STDOUT:   %F.ref: %HasF.assoc_type = name_ref F, @HasF.%assoc0 [concrete = constants.%assoc0]
// CHECK:STDOUT:   %impl.elem0: %.0c7 = impl_witness_access constants.%HasF.impl_witness.0de, element0 [concrete = constants.%C.as.HasF.impl.F.c77]
// CHECK:STDOUT:   %bound_method.loc15_4: <bound method> = bound_method %x.ref, %impl.elem0
// CHECK:STDOUT:   %specific_fn: <specific function> = specific_function %impl.elem0, @C.as.HasF.impl.F(constants.%empty_struct_type) [concrete = constants.%C.as.HasF.impl.F.specific_fn]
// CHECK:STDOUT:   %bound_method.loc15_14: <bound method> = bound_method %x.ref, %specific_fn
// CHECK:STDOUT:   %C.as.HasF.impl.F.call: init %empty_tuple.type = call %bound_method.loc15_14(%x.ref)
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @HasF.F(constants.%Self.f0c) {
// CHECK:STDOUT:   %Self => constants.%Self.f0c
// CHECK:STDOUT:   %Self.as_type.loc5_14.1 => constants.%Self.as_type.308
// CHECK:STDOUT:   %pattern_type => constants.%pattern_type.28f
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C(constants.%T) {
// CHECK:STDOUT:   %T.loc8_9.1 => constants.%T
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C.as.Destroy.impl(constants.%T) {
// CHECK:STDOUT:   %T => constants.%T
// CHECK:STDOUT:   %C => constants.%C.f2e
// CHECK:STDOUT:   %Destroy.impl_witness => constants.%Destroy.impl_witness
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C.as.Destroy.impl.Op(constants.%T) {
// CHECK:STDOUT:   %T => constants.%T
// CHECK:STDOUT:   %C => constants.%C.f2e
// CHECK:STDOUT:   %ptr => constants.%ptr.7d2
// CHECK:STDOUT:   %pattern_type => constants.%pattern_type.1d2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C.as.HasF.impl(constants.%T) {
// CHECK:STDOUT:   %T.loc10_14.1 => constants.%T
// CHECK:STDOUT:   %C.loc10_27.1 => constants.%C.f2e
// CHECK:STDOUT:   %HasF.impl_witness => constants.%HasF.impl_witness.834
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %C.as.HasF.impl.F.type => constants.%C.as.HasF.impl.F.type.8fe
// CHECK:STDOUT:   %C.as.HasF.impl.F => constants.%C.as.HasF.impl.F.92a
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C.as.HasF.impl.F(constants.%T) {
// CHECK:STDOUT:   %T => constants.%T
// CHECK:STDOUT:   %C => constants.%C.f2e
// CHECK:STDOUT:   %pattern_type => constants.%pattern_type.e5e
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @HasF.F(constants.%HasF.facet.766) {
// CHECK:STDOUT:   %Self => constants.%HasF.facet.766
// CHECK:STDOUT:   %Self.as_type.loc5_14.1 => constants.%C.f2e
// CHECK:STDOUT:   %pattern_type => constants.%pattern_type.e5e
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C(constants.%empty_struct_type) {
// CHECK:STDOUT:   %T.loc8_9.1 => constants.%empty_struct_type
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C.as.HasF.impl(constants.%empty_struct_type) {
// CHECK:STDOUT:   %T.loc10_14.1 => constants.%empty_struct_type
// CHECK:STDOUT:   %C.loc10_27.1 => constants.%C.7a7
// CHECK:STDOUT:   %HasF.impl_witness => constants.%HasF.impl_witness.0de
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %C.as.HasF.impl.F.type => constants.%C.as.HasF.impl.F.type.2e5
// CHECK:STDOUT:   %C.as.HasF.impl.F => constants.%C.as.HasF.impl.F.c77
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C.as.HasF.impl.F(constants.%empty_struct_type) {
// CHECK:STDOUT:   %T => constants.%empty_struct_type
// CHECK:STDOUT:   %C => constants.%C.7a7
// CHECK:STDOUT:   %pattern_type => constants.%pattern_type.99a
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %require_complete => constants.%complete_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- deduced_interface_argument.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %.Self: type = bind_symbolic_name .Self [symbolic_self]
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT:   %pattern_type.98f: type = pattern_type type [concrete]
// CHECK:STDOUT:   %HasF.type.fe3: type = generic_interface_type @HasF [concrete]
// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT:   %HasF.generic: %HasF.type.fe3 = struct_value () [concrete]
// CHECK:STDOUT:   %HasF.type.901: type = facet_type <@HasF, @HasF(%T)> [symbolic]
// CHECK:STDOUT:   %Self.322: %HasF.type.901 = bind_symbolic_name Self, 1 [symbolic]
// CHECK:STDOUT:   %Self.as_type: type = facet_access_type %Self.322 [symbolic]
// CHECK:STDOUT:   %pattern_type.dfb: type = pattern_type %Self.as_type [symbolic]
// CHECK:STDOUT:   %HasF.F.type.46c: type = fn_type @HasF.F, @HasF(%T) [symbolic]
// CHECK:STDOUT:   %HasF.F.823: %HasF.F.type.46c = struct_value () [symbolic]
// CHECK:STDOUT:   %HasF.assoc_type.dd8: type = assoc_entity_type @HasF, @HasF(%T) [symbolic]
// CHECK:STDOUT:   %assoc0.d31: %HasF.assoc_type.dd8 = assoc_entity element0, @HasF.%HasF.F.decl [symbolic]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %HasF.type.901 [symbolic]
// CHECK:STDOUT:   %HasF.impl_witness.55c: <witness> = impl_witness file.%HasF.impl_witness_table, @empty_struct_type.as.HasF.impl(%T) [symbolic]
// CHECK:STDOUT:   %pattern_type.a96: type = pattern_type %empty_struct_type [concrete]
// CHECK:STDOUT:   %empty_struct_type.as.HasF.impl.F.type.6c8: type = fn_type @empty_struct_type.as.HasF.impl.F, @empty_struct_type.as.HasF.impl(%T) [symbolic]
// CHECK:STDOUT:   %empty_struct_type.as.HasF.impl.F.008: %empty_struct_type.as.HasF.impl.F.type.6c8 = struct_value () [symbolic]
// CHECK:STDOUT:   %HasF.facet.566: %HasF.type.901 = facet_value %empty_struct_type, (%HasF.impl_witness.55c) [symbolic]
// CHECK:STDOUT:   %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT:   %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT:   %HasF.type.072: type = facet_type <@HasF, @HasF(%empty_struct_type)> [concrete]
// CHECK:STDOUT:   %Self.a46: %HasF.type.072 = bind_symbolic_name Self, 1 [symbolic]
// CHECK:STDOUT:   %HasF.F.type.b0b: type = fn_type @HasF.F, @HasF(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %HasF.F.418: %HasF.F.type.b0b = struct_value () [concrete]
// CHECK:STDOUT:   %HasF.assoc_type.9e4: type = assoc_entity_type @HasF, @HasF(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %assoc0.f76: %HasF.assoc_type.9e4 = assoc_entity element0, @HasF.%HasF.F.decl [concrete]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %HasF.type.072 [concrete]
// CHECK:STDOUT:   %HasF.impl_witness.25d: <witness> = impl_witness file.%HasF.impl_witness_table, @empty_struct_type.as.HasF.impl(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %empty_struct_type.as.HasF.impl.F.type.a13: type = fn_type @empty_struct_type.as.HasF.impl.F, @empty_struct_type.as.HasF.impl(%empty_struct_type) [concrete]
// CHECK:STDOUT:   %empty_struct_type.as.HasF.impl.F.8c6: %empty_struct_type.as.HasF.impl.F.type.a13 = struct_value () [concrete]
// CHECK:STDOUT:   %HasF.facet.07d: %HasF.type.072 = facet_value %empty_struct_type, (%HasF.impl_witness.25d) [concrete]
// CHECK:STDOUT:   %.21f: type = fn_type_with_self_type %HasF.F.type.b0b, %HasF.facet.07d [concrete]
// CHECK:STDOUT:   %empty_struct_type.as.HasF.impl.F.specific_fn: <specific function> = specific_function %empty_struct_type.as.HasF.impl.F.8c6, @empty_struct_type.as.HasF.impl.F(%empty_struct_type) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .HasF = %HasF.decl
// CHECK:STDOUT:     .G = %G.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %HasF.decl: %HasF.type.fe3 = interface_decl @HasF [concrete = constants.%HasF.generic] {
// CHECK:STDOUT:     %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %.Self: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT:     %T.loc4_16.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_16.1 (constants.%T)]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   impl_decl @empty_struct_type.as.HasF.impl [concrete] {
// CHECK:STDOUT:     %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %.loc8_25.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT:     %.loc8_25.2: type = converted %.loc8_25.1, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
// CHECK:STDOUT:     %HasF.ref: %HasF.type.fe3 = name_ref HasF, file.%HasF.decl [concrete = constants.%HasF.generic]
// CHECK:STDOUT:     %T.ref: type = name_ref T, %T.loc8_14.2 [symbolic = %T.loc8_14.1 (constants.%T)]
// CHECK:STDOUT:     %HasF.type.loc8_36.2: type = facet_type <@HasF, @HasF(constants.%T)> [symbolic = %HasF.type.loc8_36.1 (constants.%HasF.type.901)]
// CHECK:STDOUT:     %.Self: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT:     %T.loc8_14.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc8_14.1 (constants.%T)]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %HasF.impl_witness_table = impl_witness_table (@empty_struct_type.as.HasF.impl.%empty_struct_type.as.HasF.impl.F.decl), @empty_struct_type.as.HasF.impl [concrete]
// CHECK:STDOUT:   %HasF.impl_witness: <witness> = impl_witness %HasF.impl_witness_table, @empty_struct_type.as.HasF.impl(constants.%T) [symbolic = @empty_struct_type.as.HasF.impl.%HasF.impl_witness (constants.%HasF.impl_witness.55c)]
// CHECK:STDOUT:   %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {
// CHECK:STDOUT:     %x.patt: %pattern_type.a96 = binding_pattern x [concrete]
// CHECK:STDOUT:     %x.param_patt: %pattern_type.a96 = value_param_pattern %x.patt, call_param0 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %x.param: %empty_struct_type = value_param call_param0
// CHECK:STDOUT:     %.loc12_10.1: type = splice_block %.loc12_10.3 [concrete = constants.%empty_struct_type] {
// CHECK:STDOUT:       %.loc12_10.2: %empty_struct_type = struct_literal ()
// CHECK:STDOUT:       %.loc12_10.3: type = converted %.loc12_10.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
// CHECK:STDOUT:     }
// CHECK:STDOUT:     %x: %empty_struct_type = bind_name x, %x.param
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic interface @HasF(%T.loc4_16.2: type) {
// CHECK:STDOUT:   %T.loc4_16.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_16.1 (constants.%T)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %HasF.type: type = facet_type <@HasF, @HasF(%T.loc4_16.1)> [symbolic = %HasF.type (constants.%HasF.type.901)]
// CHECK:STDOUT:   %Self.2: @HasF.%HasF.type (%HasF.type.901) = bind_symbolic_name Self, 1 [symbolic = %Self.2 (constants.%Self.322)]
// CHECK:STDOUT:   %HasF.F.type: type = fn_type @HasF.F, @HasF(%T.loc4_16.1) [symbolic = %HasF.F.type (constants.%HasF.F.type.46c)]
// CHECK:STDOUT:   %HasF.F: @HasF.%HasF.F.type (%HasF.F.type.46c) = struct_value () [symbolic = %HasF.F (constants.%HasF.F.823)]
// CHECK:STDOUT:   %HasF.assoc_type: type = assoc_entity_type @HasF, @HasF(%T.loc4_16.1) [symbolic = %HasF.assoc_type (constants.%HasF.assoc_type.dd8)]
// CHECK:STDOUT:   %assoc0.loc5_21.2: @HasF.%HasF.assoc_type (%HasF.assoc_type.dd8) = assoc_entity element0, %HasF.F.decl [symbolic = %assoc0.loc5_21.2 (constants.%assoc0.d31)]
// CHECK:STDOUT:
// CHECK:STDOUT:   interface {
// CHECK:STDOUT:     %Self.1: @HasF.%HasF.type (%HasF.type.901) = bind_symbolic_name Self, 1 [symbolic = %Self.2 (constants.%Self.322)]
// CHECK:STDOUT:     %HasF.F.decl: @HasF.%HasF.F.type (%HasF.F.type.46c) = fn_decl @HasF.F [symbolic = @HasF.%HasF.F (constants.%HasF.F.823)] {
// CHECK:STDOUT:       %self.patt: @HasF.F.%pattern_type (%pattern_type.dfb) = binding_pattern self [concrete]
// CHECK:STDOUT:       %self.param_patt: @HasF.F.%pattern_type (%pattern_type.dfb) = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT:     } {
// CHECK:STDOUT:       %self.param: @HasF.F.%Self.as_type.loc5_14.1 (%Self.as_type) = value_param call_param0
// CHECK:STDOUT:       %.loc5_14.1: type = splice_block %.loc5_14.3 [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type)] {
// CHECK:STDOUT:         %.loc5_14.2: @HasF.F.%HasF.type (%HasF.type.901) = specific_constant @HasF.%Self.1, @HasF(constants.%T) [symbolic = %Self (constants.%Self.322)]
// CHECK:STDOUT:         %Self.ref: @HasF.F.%HasF.type (%HasF.type.901) = name_ref Self, %.loc5_14.2 [symbolic = %Self (constants.%Self.322)]
// CHECK:STDOUT:         %Self.as_type.loc5_14.2: type = facet_access_type %Self.ref [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type)]
// CHECK:STDOUT:         %.loc5_14.3: type = converted %Self.ref, %Self.as_type.loc5_14.2 [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type)]
// CHECK:STDOUT:       }
// CHECK:STDOUT:       %self: @HasF.F.%Self.as_type.loc5_14.1 (%Self.as_type) = bind_name self, %self.param
// CHECK:STDOUT:     }
// CHECK:STDOUT:     %assoc0.loc5_21.1: @HasF.%HasF.assoc_type (%HasF.assoc_type.dd8) = assoc_entity element0, %HasF.F.decl [symbolic = %assoc0.loc5_21.2 (constants.%assoc0.d31)]
// CHECK:STDOUT:
// CHECK:STDOUT:   !members:
// CHECK:STDOUT:     .Self = %Self.1
// CHECK:STDOUT:     .F = %assoc0.loc5_21.1
// CHECK:STDOUT:     witness = (%HasF.F.decl)
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic impl @empty_struct_type.as.HasF.impl(%T.loc8_14.2: type) {
// CHECK:STDOUT:   %T.loc8_14.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc8_14.1 (constants.%T)]
// CHECK:STDOUT:   %HasF.type.loc8_36.1: type = facet_type <@HasF, @HasF(%T.loc8_14.1)> [symbolic = %HasF.type.loc8_36.1 (constants.%HasF.type.901)]
// CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %HasF.type.loc8_36.1 [symbolic = %require_complete (constants.%require_complete)]
// CHECK:STDOUT:   %HasF.impl_witness: <witness> = impl_witness file.%HasF.impl_witness_table, @empty_struct_type.as.HasF.impl(%T.loc8_14.1) [symbolic = %HasF.impl_witness (constants.%HasF.impl_witness.55c)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %empty_struct_type.as.HasF.impl.F.type: type = fn_type @empty_struct_type.as.HasF.impl.F, @empty_struct_type.as.HasF.impl(%T.loc8_14.1) [symbolic = %empty_struct_type.as.HasF.impl.F.type (constants.%empty_struct_type.as.HasF.impl.F.type.6c8)]
// CHECK:STDOUT:   %empty_struct_type.as.HasF.impl.F: @empty_struct_type.as.HasF.impl.%empty_struct_type.as.HasF.impl.F.type (%empty_struct_type.as.HasF.impl.F.type.6c8) = struct_value () [symbolic = %empty_struct_type.as.HasF.impl.F (constants.%empty_struct_type.as.HasF.impl.F.008)]
// CHECK:STDOUT:
// CHECK:STDOUT:   impl: %.loc8_25.2 as %HasF.type.loc8_36.2 {
// CHECK:STDOUT:     %empty_struct_type.as.HasF.impl.F.decl: @empty_struct_type.as.HasF.impl.%empty_struct_type.as.HasF.impl.F.type (%empty_struct_type.as.HasF.impl.F.type.6c8) = fn_decl @empty_struct_type.as.HasF.impl.F [symbolic = @empty_struct_type.as.HasF.impl.%empty_struct_type.as.HasF.impl.F (constants.%empty_struct_type.as.HasF.impl.F.008)] {
// CHECK:STDOUT:       %self.patt: %pattern_type.a96 = binding_pattern self [concrete]
// CHECK:STDOUT:       %self.param_patt: %pattern_type.a96 = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT:     } {
// CHECK:STDOUT:       %self.param: %empty_struct_type = value_param call_param0
// CHECK:STDOUT:       %Self.ref: type = name_ref Self, @empty_struct_type.as.HasF.impl.%.loc8_25.2 [concrete = constants.%empty_struct_type]
// CHECK:STDOUT:       %self: %empty_struct_type = bind_name self, %self.param
// CHECK:STDOUT:     }
// CHECK:STDOUT:
// CHECK:STDOUT:   !members:
// CHECK:STDOUT:     .F = %empty_struct_type.as.HasF.impl.F.decl
// CHECK:STDOUT:     witness = file.%HasF.impl_witness
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @HasF.F(@HasF.%T.loc4_16.2: type, @HasF.%Self.1: @HasF.%HasF.type (%HasF.type.901)) {
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT:   %HasF.type: type = facet_type <@HasF, @HasF(%T)> [symbolic = %HasF.type (constants.%HasF.type.901)]
// CHECK:STDOUT:   %Self: @HasF.F.%HasF.type (%HasF.type.901) = bind_symbolic_name Self, 1 [symbolic = %Self (constants.%Self.322)]
// CHECK:STDOUT:   %Self.as_type.loc5_14.1: type = facet_access_type %Self [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type)]
// CHECK:STDOUT:   %pattern_type: type = pattern_type %Self.as_type.loc5_14.1 [symbolic = %pattern_type (constants.%pattern_type.dfb)]
// CHECK:STDOUT:
// CHECK:STDOUT:   fn(%self.param: @HasF.F.%Self.as_type.loc5_14.1 (%Self.as_type));
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @empty_struct_type.as.HasF.impl.F(@empty_struct_type.as.HasF.impl.%T.loc8_14.2: type) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:
// CHECK:STDOUT:   fn(%self.param: %empty_struct_type) {
// CHECK:STDOUT:   !entry:
// CHECK:STDOUT:     return
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G(%x.param: %empty_struct_type) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %x.ref: %empty_struct_type = name_ref x, %x
// CHECK:STDOUT:   %HasF.ref: %HasF.type.fe3 = name_ref HasF, file.%HasF.decl [concrete = constants.%HasF.generic]
// CHECK:STDOUT:   %.loc13_12: %empty_struct_type = struct_literal ()
// CHECK:STDOUT:   %.loc13_13: type = converted %.loc13_12, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
// CHECK:STDOUT:   %HasF.type: type = facet_type <@HasF, @HasF(constants.%empty_struct_type)> [concrete = constants.%HasF.type.072]
// CHECK:STDOUT:   %.loc13_14: %HasF.assoc_type.9e4 = specific_constant @HasF.%assoc0.loc5_21.1, @HasF(constants.%empty_struct_type) [concrete = constants.%assoc0.f76]
// CHECK:STDOUT:   %F.ref: %HasF.assoc_type.9e4 = name_ref F, %.loc13_14 [concrete = constants.%assoc0.f76]
// CHECK:STDOUT:   %impl.elem0: %.21f = impl_witness_access constants.%HasF.impl_witness.25d, element0 [concrete = constants.%empty_struct_type.as.HasF.impl.F.8c6]
// CHECK:STDOUT:   %bound_method.loc13_4: <bound method> = bound_method %x.ref, %impl.elem0
// CHECK:STDOUT:   %specific_fn: <specific function> = specific_function %impl.elem0, @empty_struct_type.as.HasF.impl.F(constants.%empty_struct_type) [concrete = constants.%empty_struct_type.as.HasF.impl.F.specific_fn]
// CHECK:STDOUT:   %bound_method.loc13_18: <bound method> = bound_method %x.ref, %specific_fn
// CHECK:STDOUT:   %empty_struct_type.as.HasF.impl.F.call: init %empty_tuple.type = call %bound_method.loc13_18(%x.ref)
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @HasF(constants.%T) {
// CHECK:STDOUT:   %T.loc4_16.1 => constants.%T
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %HasF.type => constants.%HasF.type.901
// CHECK:STDOUT:   %Self.2 => constants.%Self.322
// CHECK:STDOUT:   %HasF.F.type => constants.%HasF.F.type.46c
// CHECK:STDOUT:   %HasF.F => constants.%HasF.F.823
// CHECK:STDOUT:   %HasF.assoc_type => constants.%HasF.assoc_type.dd8
// CHECK:STDOUT:   %assoc0.loc5_21.2 => constants.%assoc0.d31
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @HasF.F(constants.%T, constants.%Self.322) {
// CHECK:STDOUT:   %T => constants.%T
// CHECK:STDOUT:   %HasF.type => constants.%HasF.type.901
// CHECK:STDOUT:   %Self => constants.%Self.322
// CHECK:STDOUT:   %Self.as_type.loc5_14.1 => constants.%Self.as_type
// CHECK:STDOUT:   %pattern_type => constants.%pattern_type.dfb
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @empty_struct_type.as.HasF.impl(constants.%T) {
// CHECK:STDOUT:   %T.loc8_14.1 => constants.%T
// CHECK:STDOUT:   %HasF.type.loc8_36.1 => constants.%HasF.type.901
// CHECK:STDOUT:   %require_complete => constants.%require_complete
// CHECK:STDOUT:   %HasF.impl_witness => constants.%HasF.impl_witness.55c
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %empty_struct_type.as.HasF.impl.F.type => constants.%empty_struct_type.as.HasF.impl.F.type.6c8
// CHECK:STDOUT:   %empty_struct_type.as.HasF.impl.F => constants.%empty_struct_type.as.HasF.impl.F.008
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @empty_struct_type.as.HasF.impl.F(constants.%T) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @HasF.F(constants.%T, constants.%HasF.facet.566) {
// CHECK:STDOUT:   %T => constants.%T
// CHECK:STDOUT:   %HasF.type => constants.%HasF.type.901
// CHECK:STDOUT:   %Self => constants.%HasF.facet.566
// CHECK:STDOUT:   %Self.as_type.loc5_14.1 => constants.%empty_struct_type
// CHECK:STDOUT:   %pattern_type => constants.%pattern_type.a96
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @HasF(constants.%empty_struct_type) {
// CHECK:STDOUT:   %T.loc4_16.1 => constants.%empty_struct_type
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %HasF.type => constants.%HasF.type.072
// CHECK:STDOUT:   %Self.2 => constants.%Self.a46
// CHECK:STDOUT:   %HasF.F.type => constants.%HasF.F.type.b0b
// CHECK:STDOUT:   %HasF.F => constants.%HasF.F.418
// CHECK:STDOUT:   %HasF.assoc_type => constants.%HasF.assoc_type.9e4
// CHECK:STDOUT:   %assoc0.loc5_21.2 => constants.%assoc0.f76
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @empty_struct_type.as.HasF.impl(constants.%empty_struct_type) {
// CHECK:STDOUT:   %T.loc8_14.1 => constants.%empty_struct_type
// CHECK:STDOUT:   %HasF.type.loc8_36.1 => constants.%HasF.type.072
// CHECK:STDOUT:   %require_complete => constants.%complete_type
// CHECK:STDOUT:   %HasF.impl_witness => constants.%HasF.impl_witness.25d
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %empty_struct_type.as.HasF.impl.F.type => constants.%empty_struct_type.as.HasF.impl.F.type.a13
// CHECK:STDOUT:   %empty_struct_type.as.HasF.impl.F => constants.%empty_struct_type.as.HasF.impl.F.8c6
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @empty_struct_type.as.HasF.impl.F(constants.%empty_struct_type) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_incomplete_deduction.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %HasF.type: type = facet_type <@HasF> [concrete]
// CHECK:STDOUT:   %Self: %HasF.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT:   %Self.as_type: type = facet_access_type %Self [symbolic]
// CHECK:STDOUT:   %pattern_type.28f: type = pattern_type %Self.as_type [symbolic]
// CHECK:STDOUT:   %HasF.F.type: type = fn_type @HasF.F [concrete]
// CHECK:STDOUT:   %HasF.F: %HasF.F.type = struct_value () [concrete]
// CHECK:STDOUT:   %HasF.assoc_type: type = assoc_entity_type @HasF [concrete]
// CHECK:STDOUT:   %assoc0: %HasF.assoc_type = assoc_entity element0, @HasF.%HasF.F.decl [concrete]
// CHECK:STDOUT:   %.Self: type = bind_symbolic_name .Self [symbolic_self]
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT:   %pattern_type.98f: type = pattern_type type [concrete]
// CHECK:STDOUT:   %U: type = bind_symbolic_name U, 1 [symbolic]
// CHECK:STDOUT:   %HasF.impl_witness: <witness> = impl_witness file.%HasF.impl_witness_table, @T.as.HasF.impl(%T, %U) [symbolic]
// CHECK:STDOUT:   %pattern_type.7dc: type = pattern_type %T [symbolic]
// CHECK:STDOUT:   %T.as.HasF.impl.F.type: type = fn_type @T.as.HasF.impl.F, @T.as.HasF.impl(%T, %U) [symbolic]
// CHECK:STDOUT:   %T.as.HasF.impl.F: %T.as.HasF.impl.F.type = struct_value () [symbolic]
// CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %T [symbolic]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT:   %pattern_type.a96: type = pattern_type %empty_struct_type [concrete]
// CHECK:STDOUT:   %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT:   %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .HasF = %HasF.decl
// CHECK:STDOUT:     .G = %G.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %HasF.decl: type = interface_decl @HasF [concrete = constants.%HasF.type] {} {}
// CHECK:STDOUT:   impl_decl @T.as.HasF.impl [concrete] {
// CHECK:STDOUT:     %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
// CHECK:STDOUT:     %U.patt: %pattern_type.98f = symbolic_binding_pattern U, 1 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %T.ref: type = name_ref T, %T.loc12_14.2 [symbolic = %T.loc12_14.1 (constants.%T)]
// CHECK:STDOUT:     %HasF.ref: type = name_ref HasF, file.%HasF.decl [concrete = constants.%HasF.type]
// CHECK:STDOUT:     %.Self.1: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT:     %T.loc12_14.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc12_14.1 (constants.%T)]
// CHECK:STDOUT:     %.Self.2: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT:     %U.loc12_24.2: type = bind_symbolic_name U, 1 [symbolic = %U.loc12_24.1 (constants.%U)]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %HasF.impl_witness_table = impl_witness_table (<error>), @T.as.HasF.impl [concrete]
// CHECK:STDOUT:   %HasF.impl_witness: <witness> = impl_witness %HasF.impl_witness_table, @T.as.HasF.impl(constants.%T, constants.%U) [symbolic = @T.as.HasF.impl.%HasF.impl_witness (constants.%HasF.impl_witness)]
// CHECK:STDOUT:   %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {
// CHECK:STDOUT:     %x.patt: %pattern_type.a96 = binding_pattern x [concrete]
// CHECK:STDOUT:     %x.param_patt: %pattern_type.a96 = value_param_pattern %x.patt, call_param0 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %x.param: %empty_struct_type = value_param call_param0
// CHECK:STDOUT:     %.loc16_10.1: type = splice_block %.loc16_10.3 [concrete = constants.%empty_struct_type] {
// CHECK:STDOUT:       %.loc16_10.2: %empty_struct_type = struct_literal ()
// CHECK:STDOUT:       %.loc16_10.3: type = converted %.loc16_10.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
// CHECK:STDOUT:     }
// CHECK:STDOUT:     %x: %empty_struct_type = bind_name x, %x.param
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @HasF {
// CHECK:STDOUT:   %Self: %HasF.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
// CHECK:STDOUT:   %HasF.F.decl: %HasF.F.type = fn_decl @HasF.F [concrete = constants.%HasF.F] {
// CHECK:STDOUT:     %self.patt: @HasF.F.%pattern_type (%pattern_type.28f) = binding_pattern self [concrete]
// CHECK:STDOUT:     %self.param_patt: @HasF.F.%pattern_type (%pattern_type.28f) = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %self.param: @HasF.F.%Self.as_type.loc5_14.1 (%Self.as_type) = value_param call_param0
// CHECK:STDOUT:     %.loc5_14.1: type = splice_block %.loc5_14.2 [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type)] {
// CHECK:STDOUT:       %Self.ref: %HasF.type = name_ref Self, @HasF.%Self [symbolic = %Self (constants.%Self)]
// CHECK:STDOUT:       %Self.as_type.loc5_14.2: type = facet_access_type %Self.ref [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type)]
// CHECK:STDOUT:       %.loc5_14.2: type = converted %Self.ref, %Self.as_type.loc5_14.2 [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type)]
// CHECK:STDOUT:     }
// CHECK:STDOUT:     %self: @HasF.F.%Self.as_type.loc5_14.1 (%Self.as_type) = bind_name self, %self.param
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %assoc0: %HasF.assoc_type = assoc_entity element0, %HasF.F.decl [concrete = constants.%assoc0]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = %Self
// CHECK:STDOUT:   .F = %assoc0
// CHECK:STDOUT:   witness = (%HasF.F.decl)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic impl @T.as.HasF.impl(%T.loc12_14.2: type, %U.loc12_24.2: type) {
// CHECK:STDOUT:   %T.loc12_14.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc12_14.1 (constants.%T)]
// CHECK:STDOUT:   %U.loc12_24.1: type = bind_symbolic_name U, 1 [symbolic = %U.loc12_24.1 (constants.%U)]
// CHECK:STDOUT:   %HasF.impl_witness: <witness> = impl_witness file.%HasF.impl_witness_table, @T.as.HasF.impl(%T.loc12_14.1, %U.loc12_24.1) [symbolic = %HasF.impl_witness (constants.%HasF.impl_witness)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %T.as.HasF.impl.F.type: type = fn_type @T.as.HasF.impl.F, @T.as.HasF.impl(%T.loc12_14.1, %U.loc12_24.1) [symbolic = %T.as.HasF.impl.F.type (constants.%T.as.HasF.impl.F.type)]
// CHECK:STDOUT:   %T.as.HasF.impl.F: @T.as.HasF.impl.%T.as.HasF.impl.F.type (%T.as.HasF.impl.F.type) = struct_value () [symbolic = %T.as.HasF.impl.F (constants.%T.as.HasF.impl.F)]
// CHECK:STDOUT:
// CHECK:STDOUT:   impl: %T.ref as %HasF.ref {
// CHECK:STDOUT:     %T.as.HasF.impl.F.decl: @T.as.HasF.impl.%T.as.HasF.impl.F.type (%T.as.HasF.impl.F.type) = fn_decl @T.as.HasF.impl.F [symbolic = @T.as.HasF.impl.%T.as.HasF.impl.F (constants.%T.as.HasF.impl.F)] {
// CHECK:STDOUT:       %self.patt: @T.as.HasF.impl.F.%pattern_type (%pattern_type.7dc) = binding_pattern self [concrete]
// CHECK:STDOUT:       %self.param_patt: @T.as.HasF.impl.F.%pattern_type (%pattern_type.7dc) = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT:     } {
// CHECK:STDOUT:       %self.param: @T.as.HasF.impl.F.%T (%T) = value_param call_param0
// CHECK:STDOUT:       %Self.ref: type = name_ref Self, @T.as.HasF.impl.%T.ref [symbolic = %T (constants.%T)]
// CHECK:STDOUT:       %self: @T.as.HasF.impl.F.%T (%T) = bind_name self, %self.param
// CHECK:STDOUT:     }
// CHECK:STDOUT:
// CHECK:STDOUT:   !members:
// CHECK:STDOUT:     .F = %T.as.HasF.impl.F.decl
// CHECK:STDOUT:     witness = <error>
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @HasF.F(@HasF.%Self: %HasF.type) {
// CHECK:STDOUT:   %Self: %HasF.type = bind_symbolic_name Self, 0 [symbolic = %Self (constants.%Self)]
// CHECK:STDOUT:   %Self.as_type.loc5_14.1: type = facet_access_type %Self [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type)]
// CHECK:STDOUT:   %pattern_type: type = pattern_type %Self.as_type.loc5_14.1 [symbolic = %pattern_type (constants.%pattern_type.28f)]
// CHECK:STDOUT:
// CHECK:STDOUT:   fn(%self.param: @HasF.F.%Self.as_type.loc5_14.1 (%Self.as_type));
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @T.as.HasF.impl.F(@T.as.HasF.impl.%T.loc12_14.2: type, @T.as.HasF.impl.%U.loc12_24.2: type) {
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT:   %pattern_type: type = pattern_type %T [symbolic = %pattern_type (constants.%pattern_type.7dc)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %T [symbolic = %require_complete (constants.%require_complete)]
// CHECK:STDOUT:
// CHECK:STDOUT:   fn(%self.param: @T.as.HasF.impl.F.%T (%T)) {
// CHECK:STDOUT:   !entry:
// CHECK:STDOUT:     return
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G(%x.param: %empty_struct_type) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %x.ref: %empty_struct_type = name_ref x, %x
// CHECK:STDOUT:   %HasF.ref: type = name_ref HasF, file.%HasF.decl [concrete = constants.%HasF.type]
// CHECK:STDOUT:   %F.ref: %HasF.assoc_type = name_ref F, @HasF.%assoc0 [concrete = constants.%assoc0]
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @HasF.F(constants.%Self) {
// CHECK:STDOUT:   %Self => constants.%Self
// CHECK:STDOUT:   %Self.as_type.loc5_14.1 => constants.%Self.as_type
// CHECK:STDOUT:   %pattern_type => constants.%pattern_type.28f
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @T.as.HasF.impl(constants.%T, constants.%U) {
// CHECK:STDOUT:   %T.loc12_14.1 => constants.%T
// CHECK:STDOUT:   %U.loc12_24.1 => constants.%U
// CHECK:STDOUT:   %HasF.impl_witness => constants.%HasF.impl_witness
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %T.as.HasF.impl.F.type => constants.%T.as.HasF.impl.F.type
// CHECK:STDOUT:   %T.as.HasF.impl.F => constants.%T.as.HasF.impl.F
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @T.as.HasF.impl.F(constants.%T, constants.%U) {
// CHECK:STDOUT:   %T => constants.%T
// CHECK:STDOUT:   %pattern_type => constants.%pattern_type.7dc
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_inconsistent_deduction.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %.Self: type = bind_symbolic_name .Self [symbolic_self]
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT:   %pattern_type.98f: type = pattern_type type [concrete]
// CHECK:STDOUT:   %HasF.type.fe3: type = generic_interface_type @HasF [concrete]
// CHECK:STDOUT:   %HasF.generic: %HasF.type.fe3 = struct_value () [concrete]
// CHECK:STDOUT:   %HasF.type.901: type = facet_type <@HasF, @HasF(%T)> [symbolic]
// CHECK:STDOUT:   %Self.322: %HasF.type.901 = bind_symbolic_name Self, 1 [symbolic]
// CHECK:STDOUT:   %Self.as_type.859: type = facet_access_type %Self.322 [symbolic]
// CHECK:STDOUT:   %pattern_type.dfb: type = pattern_type %Self.as_type.859 [symbolic]
// CHECK:STDOUT:   %HasF.F.type.46c: type = fn_type @HasF.F, @HasF(%T) [symbolic]
// CHECK:STDOUT:   %HasF.F.823: %HasF.F.type.46c = struct_value () [symbolic]
// CHECK:STDOUT:   %HasF.assoc_type.dd8: type = assoc_entity_type @HasF, @HasF(%T) [symbolic]
// CHECK:STDOUT:   %assoc0.d31: %HasF.assoc_type.dd8 = assoc_entity element0, @HasF.%HasF.F.decl [symbolic]
// CHECK:STDOUT:   %require_complete.03f: <witness> = require_complete_type %HasF.type.901 [symbolic]
// CHECK:STDOUT:   %HasF.impl_witness: <witness> = impl_witness file.%HasF.impl_witness_table, @T.as.HasF.impl(%T) [symbolic]
// CHECK:STDOUT:   %pattern_type.7dc: type = pattern_type %T [symbolic]
// CHECK:STDOUT:   %T.as.HasF.impl.F.type: type = fn_type @T.as.HasF.impl.F, @T.as.HasF.impl(%T) [symbolic]
// CHECK:STDOUT:   %T.as.HasF.impl.F: %T.as.HasF.impl.F.type = struct_value () [symbolic]
// CHECK:STDOUT:   %HasF.facet: %HasF.type.901 = facet_value %T, (%HasF.impl_witness) [symbolic]
// CHECK:STDOUT:   %require_complete.4ae: <witness> = require_complete_type %T [symbolic]
// CHECK:STDOUT:   %A: type = class_type @A [concrete]
// CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT:   %pattern_type.f6d: type = pattern_type auto [concrete]
// CHECK:STDOUT:   %Destroy.impl_witness.b44: <witness> = impl_witness @A.%Destroy.impl_witness_table [concrete]
// CHECK:STDOUT:   %ptr.6db: type = ptr_type %A [concrete]
// CHECK:STDOUT:   %pattern_type.5f8: type = pattern_type %ptr.6db [concrete]
// CHECK:STDOUT:   %A.as.Destroy.impl.Op.type: type = fn_type @A.as.Destroy.impl.Op [concrete]
// CHECK:STDOUT:   %A.as.Destroy.impl.Op: %A.as.Destroy.impl.Op.type = struct_value () [concrete]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT:   %B: type = class_type @B [concrete]
// CHECK:STDOUT:   %Destroy.impl_witness.40d: <witness> = impl_witness @B.%Destroy.impl_witness_table [concrete]
// CHECK:STDOUT:   %ptr.e79: type = ptr_type %B [concrete]
// CHECK:STDOUT:   %pattern_type.960: type = pattern_type %ptr.e79 [concrete]
// CHECK:STDOUT:   %B.as.Destroy.impl.Op.type: type = fn_type @B.as.Destroy.impl.Op [concrete]
// CHECK:STDOUT:   %B.as.Destroy.impl.Op: %B.as.Destroy.impl.Op.type = struct_value () [concrete]
// CHECK:STDOUT:   %pattern_type.c10: type = pattern_type %A [concrete]
// CHECK:STDOUT:   %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT:   %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT:   %HasF.type.2f5: type = facet_type <@HasF, @HasF(%B)> [concrete]
// CHECK:STDOUT:   %Self.188: %HasF.type.2f5 = bind_symbolic_name Self, 1 [symbolic]
// CHECK:STDOUT:   %HasF.F.type.1c6: type = fn_type @HasF.F, @HasF(%B) [concrete]
// CHECK:STDOUT:   %HasF.F.7cf: %HasF.F.type.1c6 = struct_value () [concrete]
// CHECK:STDOUT:   %HasF.assoc_type.1af: type = assoc_entity_type @HasF, @HasF(%B) [concrete]
// CHECK:STDOUT:   %assoc0.402: %HasF.assoc_type.1af = assoc_entity element0, @HasF.%HasF.F.decl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     .Destroy = %Core.Destroy
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.Destroy: type = import_ref Core//prelude/parts/destroy, Destroy, loaded [concrete = constants.%Destroy.type]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .HasF = %HasF.decl
// CHECK:STDOUT:     .A = %A.decl
// CHECK:STDOUT:     .B = %B.decl
// CHECK:STDOUT:     .G = %G.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %HasF.decl: %HasF.type.fe3 = interface_decl @HasF [concrete = constants.%HasF.generic] {
// CHECK:STDOUT:     %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %.Self: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT:     %T.loc4_16.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_16.1 (constants.%T)]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   impl_decl @T.as.HasF.impl [concrete] {
// CHECK:STDOUT:     %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %T.ref.loc8_24: type = name_ref T, %T.loc8_14.2 [symbolic = %T.loc8_14.1 (constants.%T)]
// CHECK:STDOUT:     %HasF.ref: %HasF.type.fe3 = name_ref HasF, file.%HasF.decl [concrete = constants.%HasF.generic]
// CHECK:STDOUT:     %T.ref.loc8_34: type = name_ref T, %T.loc8_14.2 [symbolic = %T.loc8_14.1 (constants.%T)]
// CHECK:STDOUT:     %HasF.type.loc8_35.2: type = facet_type <@HasF, @HasF(constants.%T)> [symbolic = %HasF.type.loc8_35.1 (constants.%HasF.type.901)]
// CHECK:STDOUT:     %.Self: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT:     %T.loc8_14.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc8_14.1 (constants.%T)]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %HasF.impl_witness_table = impl_witness_table (@T.as.HasF.impl.%T.as.HasF.impl.F.decl), @T.as.HasF.impl [concrete]
// CHECK:STDOUT:   %HasF.impl_witness: <witness> = impl_witness %HasF.impl_witness_table, @T.as.HasF.impl(constants.%T) [symbolic = @T.as.HasF.impl.%HasF.impl_witness (constants.%HasF.impl_witness)]
// CHECK:STDOUT:   %A.decl: type = class_decl @A [concrete = constants.%A] {} {}
// CHECK:STDOUT:   %B.decl: type = class_decl @B [concrete = constants.%B] {} {}
// CHECK:STDOUT:   %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {
// CHECK:STDOUT:     %x.patt: %pattern_type.c10 = binding_pattern x [concrete]
// CHECK:STDOUT:     %x.param_patt: %pattern_type.c10 = value_param_pattern %x.patt, call_param0 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %x.param: %A = value_param call_param0
// CHECK:STDOUT:     %A.ref: type = name_ref A, file.%A.decl [concrete = constants.%A]
// CHECK:STDOUT:     %x: %A = bind_name x, %x.param
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic interface @HasF(%T.loc4_16.2: type) {
// CHECK:STDOUT:   %T.loc4_16.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_16.1 (constants.%T)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %HasF.type: type = facet_type <@HasF, @HasF(%T.loc4_16.1)> [symbolic = %HasF.type (constants.%HasF.type.901)]
// CHECK:STDOUT:   %Self.2: @HasF.%HasF.type (%HasF.type.901) = bind_symbolic_name Self, 1 [symbolic = %Self.2 (constants.%Self.322)]
// CHECK:STDOUT:   %HasF.F.type: type = fn_type @HasF.F, @HasF(%T.loc4_16.1) [symbolic = %HasF.F.type (constants.%HasF.F.type.46c)]
// CHECK:STDOUT:   %HasF.F: @HasF.%HasF.F.type (%HasF.F.type.46c) = struct_value () [symbolic = %HasF.F (constants.%HasF.F.823)]
// CHECK:STDOUT:   %HasF.assoc_type: type = assoc_entity_type @HasF, @HasF(%T.loc4_16.1) [symbolic = %HasF.assoc_type (constants.%HasF.assoc_type.dd8)]
// CHECK:STDOUT:   %assoc0.loc5_21.2: @HasF.%HasF.assoc_type (%HasF.assoc_type.dd8) = assoc_entity element0, %HasF.F.decl [symbolic = %assoc0.loc5_21.2 (constants.%assoc0.d31)]
// CHECK:STDOUT:
// CHECK:STDOUT:   interface {
// CHECK:STDOUT:     %Self.1: @HasF.%HasF.type (%HasF.type.901) = bind_symbolic_name Self, 1 [symbolic = %Self.2 (constants.%Self.322)]
// CHECK:STDOUT:     %HasF.F.decl: @HasF.%HasF.F.type (%HasF.F.type.46c) = fn_decl @HasF.F [symbolic = @HasF.%HasF.F (constants.%HasF.F.823)] {
// CHECK:STDOUT:       %self.patt: @HasF.F.%pattern_type (%pattern_type.dfb) = binding_pattern self [concrete]
// CHECK:STDOUT:       %self.param_patt: @HasF.F.%pattern_type (%pattern_type.dfb) = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT:     } {
// CHECK:STDOUT:       %self.param: @HasF.F.%Self.as_type.loc5_14.1 (%Self.as_type.859) = value_param call_param0
// CHECK:STDOUT:       %.loc5_14.1: type = splice_block %.loc5_14.3 [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type.859)] {
// CHECK:STDOUT:         %.loc5_14.2: @HasF.F.%HasF.type (%HasF.type.901) = specific_constant @HasF.%Self.1, @HasF(constants.%T) [symbolic = %Self (constants.%Self.322)]
// CHECK:STDOUT:         %Self.ref: @HasF.F.%HasF.type (%HasF.type.901) = name_ref Self, %.loc5_14.2 [symbolic = %Self (constants.%Self.322)]
// CHECK:STDOUT:         %Self.as_type.loc5_14.2: type = facet_access_type %Self.ref [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type.859)]
// CHECK:STDOUT:         %.loc5_14.3: type = converted %Self.ref, %Self.as_type.loc5_14.2 [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type.859)]
// CHECK:STDOUT:       }
// CHECK:STDOUT:       %self: @HasF.F.%Self.as_type.loc5_14.1 (%Self.as_type.859) = bind_name self, %self.param
// CHECK:STDOUT:     }
// CHECK:STDOUT:     %assoc0.loc5_21.1: @HasF.%HasF.assoc_type (%HasF.assoc_type.dd8) = assoc_entity element0, %HasF.F.decl [symbolic = %assoc0.loc5_21.2 (constants.%assoc0.d31)]
// CHECK:STDOUT:
// CHECK:STDOUT:   !members:
// CHECK:STDOUT:     .Self = %Self.1
// CHECK:STDOUT:     .F = %assoc0.loc5_21.1
// CHECK:STDOUT:     witness = (%HasF.F.decl)
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic impl @T.as.HasF.impl(%T.loc8_14.2: type) {
// CHECK:STDOUT:   %T.loc8_14.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc8_14.1 (constants.%T)]
// CHECK:STDOUT:   %HasF.type.loc8_35.1: type = facet_type <@HasF, @HasF(%T.loc8_14.1)> [symbolic = %HasF.type.loc8_35.1 (constants.%HasF.type.901)]
// CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %HasF.type.loc8_35.1 [symbolic = %require_complete (constants.%require_complete.03f)]
// CHECK:STDOUT:   %HasF.impl_witness: <witness> = impl_witness file.%HasF.impl_witness_table, @T.as.HasF.impl(%T.loc8_14.1) [symbolic = %HasF.impl_witness (constants.%HasF.impl_witness)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %T.as.HasF.impl.F.type: type = fn_type @T.as.HasF.impl.F, @T.as.HasF.impl(%T.loc8_14.1) [symbolic = %T.as.HasF.impl.F.type (constants.%T.as.HasF.impl.F.type)]
// CHECK:STDOUT:   %T.as.HasF.impl.F: @T.as.HasF.impl.%T.as.HasF.impl.F.type (%T.as.HasF.impl.F.type) = struct_value () [symbolic = %T.as.HasF.impl.F (constants.%T.as.HasF.impl.F)]
// CHECK:STDOUT:
// CHECK:STDOUT:   impl: %T.ref.loc8_24 as %HasF.type.loc8_35.2 {
// CHECK:STDOUT:     %T.as.HasF.impl.F.decl: @T.as.HasF.impl.%T.as.HasF.impl.F.type (%T.as.HasF.impl.F.type) = fn_decl @T.as.HasF.impl.F [symbolic = @T.as.HasF.impl.%T.as.HasF.impl.F (constants.%T.as.HasF.impl.F)] {
// CHECK:STDOUT:       %self.patt: @T.as.HasF.impl.F.%pattern_type (%pattern_type.7dc) = binding_pattern self [concrete]
// CHECK:STDOUT:       %self.param_patt: @T.as.HasF.impl.F.%pattern_type (%pattern_type.7dc) = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT:     } {
// CHECK:STDOUT:       %self.param: @T.as.HasF.impl.F.%T (%T) = value_param call_param0
// CHECK:STDOUT:       %Self.ref: type = name_ref Self, @T.as.HasF.impl.%T.ref.loc8_24 [symbolic = %T (constants.%T)]
// CHECK:STDOUT:       %self: @T.as.HasF.impl.F.%T (%T) = bind_name self, %self.param
// CHECK:STDOUT:     }
// CHECK:STDOUT:
// CHECK:STDOUT:   !members:
// CHECK:STDOUT:     .F = %T.as.HasF.impl.F.decl
// CHECK:STDOUT:     witness = file.%HasF.impl_witness
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @A.as.Destroy.impl: @A.%Self.ref as constants.%Destroy.type {
// CHECK:STDOUT:   %A.as.Destroy.impl.Op.decl: %A.as.Destroy.impl.Op.type = fn_decl @A.as.Destroy.impl.Op [concrete = constants.%A.as.Destroy.impl.Op] {
// CHECK:STDOUT:     %self.patt: %pattern_type.5f8 = binding_pattern self [concrete]
// CHECK:STDOUT:     %self.param_patt: %pattern_type.5f8 = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT:     %.loc12: %pattern_type.f6d = addr_pattern %self.param_patt [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %self.param: %ptr.6db = value_param call_param0
// CHECK:STDOUT:     %Self.ref: type = name_ref Self, constants.%A [concrete = constants.%A]
// CHECK:STDOUT:     %self: %ptr.6db = bind_name self, %self.param
// CHECK:STDOUT:   }
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Op = %A.as.Destroy.impl.Op.decl
// CHECK:STDOUT:   witness = @A.%Destroy.impl_witness
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @B.as.Destroy.impl: @B.%Self.ref as constants.%Destroy.type {
// CHECK:STDOUT:   %B.as.Destroy.impl.Op.decl: %B.as.Destroy.impl.Op.type = fn_decl @B.as.Destroy.impl.Op [concrete = constants.%B.as.Destroy.impl.Op] {
// CHECK:STDOUT:     %self.patt: %pattern_type.960 = binding_pattern self [concrete]
// CHECK:STDOUT:     %self.param_patt: %pattern_type.960 = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT:     %.loc13: %pattern_type.f6d = addr_pattern %self.param_patt [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %self.param: %ptr.e79 = value_param call_param0
// CHECK:STDOUT:     %Self.ref: type = name_ref Self, constants.%B [concrete = constants.%B]
// CHECK:STDOUT:     %self: %ptr.e79 = bind_name self, %self.param
// CHECK:STDOUT:   }
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Op = %B.as.Destroy.impl.Op.decl
// CHECK:STDOUT:   witness = @B.%Destroy.impl_witness
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @A {
// CHECK:STDOUT:   %Self.ref: type = name_ref Self, constants.%A [concrete = constants.%A]
// CHECK:STDOUT:   impl_decl @A.as.Destroy.impl [concrete] {} {}
// CHECK:STDOUT:   %Destroy.impl_witness_table = impl_witness_table (@A.as.Destroy.impl.%A.as.Destroy.impl.Op.decl), @A.as.Destroy.impl [concrete]
// CHECK:STDOUT:   %Destroy.impl_witness: <witness> = impl_witness %Destroy.impl_witness_table [concrete = constants.%Destroy.impl_witness.b44]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT:   complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = constants.%A
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @B {
// CHECK:STDOUT:   %Self.ref: type = name_ref Self, constants.%B [concrete = constants.%B]
// CHECK:STDOUT:   impl_decl @B.as.Destroy.impl [concrete] {} {}
// CHECK:STDOUT:   %Destroy.impl_witness_table = impl_witness_table (@B.as.Destroy.impl.%B.as.Destroy.impl.Op.decl), @B.as.Destroy.impl [concrete]
// CHECK:STDOUT:   %Destroy.impl_witness: <witness> = impl_witness %Destroy.impl_witness_table [concrete = constants.%Destroy.impl_witness.40d]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT:   complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = constants.%B
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @HasF.F(@HasF.%T.loc4_16.2: type, @HasF.%Self.1: @HasF.%HasF.type (%HasF.type.901)) {
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT:   %HasF.type: type = facet_type <@HasF, @HasF(%T)> [symbolic = %HasF.type (constants.%HasF.type.901)]
// CHECK:STDOUT:   %Self: @HasF.F.%HasF.type (%HasF.type.901) = bind_symbolic_name Self, 1 [symbolic = %Self (constants.%Self.322)]
// CHECK:STDOUT:   %Self.as_type.loc5_14.1: type = facet_access_type %Self [symbolic = %Self.as_type.loc5_14.1 (constants.%Self.as_type.859)]
// CHECK:STDOUT:   %pattern_type: type = pattern_type %Self.as_type.loc5_14.1 [symbolic = %pattern_type (constants.%pattern_type.dfb)]
// CHECK:STDOUT:
// CHECK:STDOUT:   fn(%self.param: @HasF.F.%Self.as_type.loc5_14.1 (%Self.as_type.859));
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @T.as.HasF.impl.F(@T.as.HasF.impl.%T.loc8_14.2: type) {
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT:   %pattern_type: type = pattern_type %T [symbolic = %pattern_type (constants.%pattern_type.7dc)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %T [symbolic = %require_complete (constants.%require_complete.4ae)]
// CHECK:STDOUT:
// CHECK:STDOUT:   fn(%self.param: @T.as.HasF.impl.F.%T (%T)) {
// CHECK:STDOUT:   !entry:
// CHECK:STDOUT:     return
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @A.as.Destroy.impl.Op(%self.param: %ptr.6db) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @B.as.Destroy.impl.Op(%self.param: %ptr.e79) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G(%x.param: %A) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %x.ref: %A = name_ref x, %x
// CHECK:STDOUT:   %HasF.ref: %HasF.type.fe3 = name_ref HasF, file.%HasF.decl [concrete = constants.%HasF.generic]
// CHECK:STDOUT:   %B.ref: type = name_ref B, file.%B.decl [concrete = constants.%B]
// CHECK:STDOUT:   %HasF.type: type = facet_type <@HasF, @HasF(constants.%B)> [concrete = constants.%HasF.type.2f5]
// CHECK:STDOUT:   %.loc22: %HasF.assoc_type.1af = specific_constant @HasF.%assoc0.loc5_21.1, @HasF(constants.%B) [concrete = constants.%assoc0.402]
// CHECK:STDOUT:   %F.ref: %HasF.assoc_type.1af = name_ref F, %.loc22 [concrete = constants.%assoc0.402]
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @HasF(constants.%T) {
// CHECK:STDOUT:   %T.loc4_16.1 => constants.%T
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %HasF.type => constants.%HasF.type.901
// CHECK:STDOUT:   %Self.2 => constants.%Self.322
// CHECK:STDOUT:   %HasF.F.type => constants.%HasF.F.type.46c
// CHECK:STDOUT:   %HasF.F => constants.%HasF.F.823
// CHECK:STDOUT:   %HasF.assoc_type => constants.%HasF.assoc_type.dd8
// CHECK:STDOUT:   %assoc0.loc5_21.2 => constants.%assoc0.d31
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @HasF.F(constants.%T, constants.%Self.322) {
// CHECK:STDOUT:   %T => constants.%T
// CHECK:STDOUT:   %HasF.type => constants.%HasF.type.901
// CHECK:STDOUT:   %Self => constants.%Self.322
// CHECK:STDOUT:   %Self.as_type.loc5_14.1 => constants.%Self.as_type.859
// CHECK:STDOUT:   %pattern_type => constants.%pattern_type.dfb
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @T.as.HasF.impl(constants.%T) {
// CHECK:STDOUT:   %T.loc8_14.1 => constants.%T
// CHECK:STDOUT:   %HasF.type.loc8_35.1 => constants.%HasF.type.901
// CHECK:STDOUT:   %require_complete => constants.%require_complete.03f
// CHECK:STDOUT:   %HasF.impl_witness => constants.%HasF.impl_witness
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %T.as.HasF.impl.F.type => constants.%T.as.HasF.impl.F.type
// CHECK:STDOUT:   %T.as.HasF.impl.F => constants.%T.as.HasF.impl.F
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @T.as.HasF.impl.F(constants.%T) {
// CHECK:STDOUT:   %T => constants.%T
// CHECK:STDOUT:   %pattern_type => constants.%pattern_type.7dc
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @HasF.F(constants.%T, constants.%HasF.facet) {
// CHECK:STDOUT:   %T => constants.%T
// CHECK:STDOUT:   %HasF.type => constants.%HasF.type.901
// CHECK:STDOUT:   %Self => constants.%HasF.facet
// CHECK:STDOUT:   %Self.as_type.loc5_14.1 => constants.%T
// CHECK:STDOUT:   %pattern_type => constants.%pattern_type.7dc
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @HasF(constants.%B) {
// CHECK:STDOUT:   %T.loc4_16.1 => constants.%B
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %HasF.type => constants.%HasF.type.2f5
// CHECK:STDOUT:   %Self.2 => constants.%Self.188
// CHECK:STDOUT:   %HasF.F.type => constants.%HasF.F.type.1c6
// CHECK:STDOUT:   %HasF.F => constants.%HasF.F.7cf
// CHECK:STDOUT:   %HasF.assoc_type => constants.%HasF.assoc_type.1af
// CHECK:STDOUT:   %assoc0.loc5_21.2 => constants.%assoc0.402
// CHECK:STDOUT: }
// CHECK:STDOUT: