carbon-lang/toolchain/check/testdata/interface/incomplete.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/none.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/interface/incomplete.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interface/incomplete.carbon

// --- incomplete_type.carbon
library "[[@TEST_NAME]]";

class C;

interface I {
  let T:! C;
}

// --- fail_incomplete_type_impl.carbon
library "[[@TEST_NAME]]";

class C;

interface I {
  let T:! C;
}

// CHECK:STDERR: fail_incomplete_type_impl.carbon:[[@LINE+7]]:26: error: invalid use of incomplete type `C` [IncompleteTypeInConversion]
// CHECK:STDERR: impl {} as I where .T = ({} as C) {}
// CHECK:STDERR:                          ^~~~~~~
// CHECK:STDERR: fail_incomplete_type_impl.carbon:[[@LINE-9]]:1: note: class was forward declared here [ClassForwardDeclaredHere]
// CHECK:STDERR: class C;
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR:
impl {} as I where .T = ({} as C) {}

// --- fail_incomplete_type_usage.carbon
library "[[@TEST_NAME]]";

class C;

interface I {
  let T:! C;
}

fn F[U:! I](a: U) {
  // CHECK:STDERR: fail_incomplete_type_usage.carbon:[[@LINE+7]]:3: error: invalid use of incomplete type `C` [IncompleteTypeInConversion]
  // CHECK:STDERR:   a.T;
  // CHECK:STDERR:   ^~~
  // CHECK:STDERR: fail_incomplete_type_usage.carbon:[[@LINE-10]]:1: note: class was forward declared here [ClassForwardDeclaredHere]
  // CHECK:STDERR: class C;
  // CHECK:STDERR: ^~~~~~~~
  // CHECK:STDERR:
  a.T;
}

// --- fail_incomplete_extend_constraint.carbon
library "[[@TEST_NAME]]";

constraint A;

interface B {
  // CHECK:STDERR: fail_incomplete_extend_constraint.carbon:[[@LINE+7]]:24: error: facet type `A` cannot be identified in `require` declaration [RequireImplsUnidentifiedFacetType]
  // CHECK:STDERR:   extend require impls A;
  // CHECK:STDERR:                        ^
  // CHECK:STDERR: fail_incomplete_extend_constraint.carbon:[[@LINE-6]]:1: note: constraint was forward declared here [NamedConstraintForwardDeclaredHere]
  // CHECK:STDERR: constraint A;
  // CHECK:STDERR: ^~~~~~~~~~~~~
  // CHECK:STDERR:
  extend require impls A;
}

// --- fail_extend_require_enclosing.carbon
library "[[@TEST_NAME]]";

interface A {
  // CHECK:STDERR: fail_extend_require_enclosing.carbon:[[@LINE+7]]:24: error: `extend require` of incomplete facet type `A` [RequireImplsIncompleteFacetType]
  // CHECK:STDERR:   extend require impls A;
  // CHECK:STDERR:                        ^
  // CHECK:STDERR: fail_extend_require_enclosing.carbon:[[@LINE-4]]:1: note: interface is currently being defined [InterfaceIncompleteWithinDefinition]
  // CHECK:STDERR: interface A {
  // CHECK:STDERR: ^~~~~~~~~~~~~
  // CHECK:STDERR:
  extend require impls A;
}

// --- fail_extend_require_enclosing_generic.carbon
library "[[@TEST_NAME]]";

interface A(T:! type) {
  // CHECK:STDERR: fail_extend_require_enclosing_generic.carbon:[[@LINE+7]]:24: error: `extend require` of incomplete facet type `A({})` [RequireImplsIncompleteFacetType]
  // CHECK:STDERR:   extend require impls A({});
  // CHECK:STDERR:                        ^~~~~
  // CHECK:STDERR: fail_extend_require_enclosing_generic.carbon:[[@LINE-4]]:1: note: interface is currently being defined [InterfaceIncompleteWithinDefinition]
  // CHECK:STDERR: interface A(T:! type) {
  // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~
  // CHECK:STDERR:
  extend require impls A({});
}

// CHECK:STDOUT: --- incomplete_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [concrete]
// CHECK:STDOUT:   %I.type: type = facet_type <@I> [concrete]
// CHECK:STDOUT:   %Self: %I.type = symbolic_binding Self, 0 [symbolic]
// CHECK:STDOUT:   %I.assoc_type: type = assoc_entity_type @I [concrete]
// CHECK:STDOUT:   %assoc0: %I.assoc_type = assoc_entity element0, @I.WithSelf.%T [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .C = %C.decl
// CHECK:STDOUT:     .I = %I.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// CHECK:STDOUT:   %I.decl: type = interface_decl @I [concrete = constants.%I.type] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @I {
// CHECK:STDOUT:   %Self: %I.type = symbolic_binding Self, 0 [symbolic = constants.%Self]
// CHECK:STDOUT:   %I.WithSelf.decl = interface_with_self_decl @I [concrete]
// CHECK:STDOUT:
// CHECK:STDOUT: !with Self:
// CHECK:STDOUT:   %T: %C = assoc_const_decl @T [concrete] {
// CHECK:STDOUT:     %assoc0: %I.assoc_type = assoc_entity element0, @I.WithSelf.%T [concrete = constants.%assoc0]
// CHECK:STDOUT:   }
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = %Self
// CHECK:STDOUT:   .C = <poisoned>
// CHECK:STDOUT:   .C = <poisoned>
// CHECK:STDOUT:   .T = @T.%assoc0
// CHECK:STDOUT:   witness = (@I.WithSelf.%T)
// CHECK:STDOUT:
// CHECK:STDOUT: !requires:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C;
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.WithSelf(constants.%Self) {}
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_incomplete_type_impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [concrete]
// CHECK:STDOUT:   %I.type: type = facet_type <@I> [concrete]
// CHECK:STDOUT:   %Self: %I.type = symbolic_binding Self, 0 [symbolic]
// CHECK:STDOUT:   %I.assoc_type: type = assoc_entity_type @I [concrete]
// CHECK:STDOUT:   %assoc0: %I.assoc_type = assoc_entity element0, @I.WithSelf.%T [concrete]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
// CHECK:STDOUT:   %.Self: %I.type = symbolic_binding .Self [symbolic_self]
// CHECK:STDOUT:   %.Self.binding.as_type: type = symbolic_binding_type .Self, %.Self [symbolic_self]
// CHECK:STDOUT:   %I.lookup_impl_witness: <witness> = lookup_impl_witness %.Self, @I [symbolic_self]
// CHECK:STDOUT:   %impl.elem0: %C = impl_witness_access %I.lookup_impl_witness, element0 [symbolic_self]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .C = %C.decl
// CHECK:STDOUT:     .I = %I.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// CHECK:STDOUT:   %I.decl: type = interface_decl @I [concrete = constants.%I.type] {} {}
// CHECK:STDOUT:   impl_decl @empty_struct_type.as.<error>.impl [concrete] {} {
// CHECK:STDOUT:     %.loc16_7.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
// CHECK:STDOUT:     %.loc16_7.2: type = converted %.loc16_7.1, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
// CHECK:STDOUT:     %I.ref: type = name_ref I, file.%I.decl [concrete = constants.%I.type]
// CHECK:STDOUT:     %.Self: %I.type = symbolic_binding .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT:     %.Self.ref: %I.type = name_ref .Self, %.Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT:     %.Self.as_type: type = facet_access_type %.Self.ref [symbolic_self = constants.%.Self.binding.as_type]
// CHECK:STDOUT:     %.loc16_20: type = converted %.Self.ref, %.Self.as_type [symbolic_self = constants.%.Self.binding.as_type]
// CHECK:STDOUT:     %T.ref: %I.assoc_type = name_ref T, @T.%assoc0 [concrete = constants.%assoc0]
// CHECK:STDOUT:     %impl.elem0: %C = impl_witness_access constants.%I.lookup_impl_witness, element0 [symbolic_self = constants.%impl.elem0]
// CHECK:STDOUT:     %.loc16_27: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
// CHECK:STDOUT:     %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT:     %.loc16_14: type = where_expr %.Self [concrete = <error>] {
// CHECK:STDOUT:       requirement_base_facet_type constants.%I.type
// CHECK:STDOUT:       requirement_rewrite %impl.elem0, <error>
// CHECK:STDOUT:     }
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @I {
// CHECK:STDOUT:   %Self: %I.type = symbolic_binding Self, 0 [symbolic = constants.%Self]
// CHECK:STDOUT:   %I.WithSelf.decl = interface_with_self_decl @I [concrete]
// CHECK:STDOUT:
// CHECK:STDOUT: !with Self:
// CHECK:STDOUT:   %T: %C = assoc_const_decl @T [concrete] {
// CHECK:STDOUT:     %assoc0: %I.assoc_type = assoc_entity element0, @I.WithSelf.%T [concrete = constants.%assoc0]
// CHECK:STDOUT:   }
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = %Self
// CHECK:STDOUT:   .C = <poisoned>
// CHECK:STDOUT:   .C = <poisoned>
// CHECK:STDOUT:   .T = @T.%assoc0
// CHECK:STDOUT:   witness = (@I.WithSelf.%T)
// CHECK:STDOUT:
// CHECK:STDOUT: !requires:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @empty_struct_type.as.<error>.impl: %.loc16_7.2 as %.loc16_14 {
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   witness = <error>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C;
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.WithSelf(constants.%Self) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.WithSelf(constants.%.Self) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_incomplete_type_usage.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [concrete]
// CHECK:STDOUT:   %I.type: type = facet_type <@I> [concrete]
// CHECK:STDOUT:   %Self: %I.type = symbolic_binding Self, 0 [symbolic]
// CHECK:STDOUT:   %I.assoc_type: type = assoc_entity_type @I [concrete]
// CHECK:STDOUT:   %assoc0: %I.assoc_type = assoc_entity element0, @I.WithSelf.%T [concrete]
// CHECK:STDOUT:   %type: type = facet_type <type> [concrete]
// CHECK:STDOUT:   %.Self: %type = symbolic_binding .Self [symbolic_self]
// CHECK:STDOUT:   %U: %I.type = symbolic_binding U, 0 [symbolic]
// CHECK:STDOUT:   %pattern_type.9d9: type = pattern_type %I.type [concrete]
// CHECK:STDOUT:   %U.binding.as_type: type = symbolic_binding_type U, 0, %U [symbolic]
// CHECK:STDOUT:   %pattern_type.422: type = pattern_type %U.binding.as_type [symbolic]
// CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %U.binding.as_type [symbolic]
// CHECK:STDOUT:   %I.lookup_impl_witness: <witness> = lookup_impl_witness %U, @I [symbolic]
// CHECK:STDOUT:   %impl.elem0: %C = impl_witness_access %I.lookup_impl_witness, element0 [symbolic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .C = %C.decl
// CHECK:STDOUT:     .I = %I.decl
// CHECK:STDOUT:     .F = %F.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// CHECK:STDOUT:   %I.decl: type = interface_decl @I [concrete = constants.%I.type] {} {}
// CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
// CHECK:STDOUT:     %U.patt: %pattern_type.9d9 = symbolic_binding_pattern U, 0 [concrete]
// CHECK:STDOUT:     %a.patt: @F.%pattern_type (%pattern_type.422) = value_binding_pattern a [concrete]
// CHECK:STDOUT:     %a.param_patt: @F.%pattern_type (%pattern_type.422) = value_param_pattern %a.patt [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %.loc9_10: type = splice_block %I.ref [concrete = constants.%I.type] {
// CHECK:STDOUT:       %.Self: %type = symbolic_binding .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT:       %I.ref: type = name_ref I, file.%I.decl [concrete = constants.%I.type]
// CHECK:STDOUT:     }
// CHECK:STDOUT:     %U.loc9_6.2: %I.type = symbolic_binding U, 0 [symbolic = %U.loc9_6.1 (constants.%U)]
// CHECK:STDOUT:     %a.param: @F.%U.binding.as_type (%U.binding.as_type) = value_param call_param0
// CHECK:STDOUT:     %.loc9_16.1: type = splice_block %.loc9_16.2 [symbolic = %U.binding.as_type (constants.%U.binding.as_type)] {
// CHECK:STDOUT:       %U.ref: %I.type = name_ref U, %U.loc9_6.2 [symbolic = %U.loc9_6.1 (constants.%U)]
// CHECK:STDOUT:       %U.as_type: type = facet_access_type %U.ref [symbolic = %U.binding.as_type (constants.%U.binding.as_type)]
// CHECK:STDOUT:       %.loc9_16.2: type = converted %U.ref, %U.as_type [symbolic = %U.binding.as_type (constants.%U.binding.as_type)]
// CHECK:STDOUT:     }
// CHECK:STDOUT:     %a: @F.%U.binding.as_type (%U.binding.as_type) = value_binding a, %a.param
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @I {
// CHECK:STDOUT:   %Self: %I.type = symbolic_binding Self, 0 [symbolic = constants.%Self]
// CHECK:STDOUT:   %I.WithSelf.decl = interface_with_self_decl @I [concrete]
// CHECK:STDOUT:
// CHECK:STDOUT: !with Self:
// CHECK:STDOUT:   %T: %C = assoc_const_decl @T [concrete] {
// CHECK:STDOUT:     %assoc0: %I.assoc_type = assoc_entity element0, @I.WithSelf.%T [concrete = constants.%assoc0]
// CHECK:STDOUT:   }
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = %Self
// CHECK:STDOUT:   .C = <poisoned>
// CHECK:STDOUT:   .C = <poisoned>
// CHECK:STDOUT:   .T = @T.%assoc0
// CHECK:STDOUT:   witness = (@I.WithSelf.%T)
// CHECK:STDOUT:
// CHECK:STDOUT: !requires:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C;
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F(%U.loc9_6.2: %I.type) {
// CHECK:STDOUT:   %U.loc9_6.1: %I.type = symbolic_binding U, 0 [symbolic = %U.loc9_6.1 (constants.%U)]
// CHECK:STDOUT:   %U.binding.as_type: type = symbolic_binding_type U, 0, %U.loc9_6.1 [symbolic = %U.binding.as_type (constants.%U.binding.as_type)]
// CHECK:STDOUT:   %pattern_type: type = pattern_type %U.binding.as_type [symbolic = %pattern_type (constants.%pattern_type.422)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %U.binding.as_type [symbolic = %require_complete (constants.%require_complete)]
// CHECK:STDOUT:   %I.lookup_impl_witness: <witness> = lookup_impl_witness %U.loc9_6.1, @I [symbolic = %I.lookup_impl_witness (constants.%I.lookup_impl_witness)]
// CHECK:STDOUT:   %impl.elem0.loc17_4.2: %C = impl_witness_access %I.lookup_impl_witness, element0 [symbolic = %impl.elem0.loc17_4.2 (constants.%impl.elem0)]
// CHECK:STDOUT:
// CHECK:STDOUT:   fn(%a.param: @F.%U.binding.as_type (%U.binding.as_type)) {
// CHECK:STDOUT:   !entry:
// CHECK:STDOUT:     %a.ref: @F.%U.binding.as_type (%U.binding.as_type) = name_ref a, %a
// CHECK:STDOUT:     %T.ref: %I.assoc_type = name_ref T, @T.%assoc0 [concrete = constants.%assoc0]
// CHECK:STDOUT:     %impl.elem0.loc17_4.1: %C = impl_witness_access constants.%I.lookup_impl_witness, element0 [symbolic = %impl.elem0.loc17_4.2 (constants.%impl.elem0)]
// CHECK:STDOUT:     return
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.WithSelf(constants.%Self) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F(constants.%U) {
// CHECK:STDOUT:   %U.loc9_6.1 => constants.%U
// CHECK:STDOUT:   %U.binding.as_type => constants.%U.binding.as_type
// CHECK:STDOUT:   %pattern_type => constants.%pattern_type.422
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.WithSelf(constants.%U) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_incomplete_extend_constraint.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %A.type: type = facet_type <@A> [concrete]
// CHECK:STDOUT:   %B.type: type = facet_type <@B> [concrete]
// CHECK:STDOUT:   %Self: %B.type = symbolic_binding Self, 0 [symbolic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .A = %A.decl
// CHECK:STDOUT:     .B = %B.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %A.decl: type = constraint_decl @A [concrete = constants.%A.type] {} {}
// CHECK:STDOUT:   %B.decl: type = interface_decl @B [concrete = constants.%B.type] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @B {
// CHECK:STDOUT:   %Self: %B.type = symbolic_binding Self, 0 [symbolic = constants.%Self]
// CHECK:STDOUT:   %B.WithSelf.decl = interface_with_self_decl @B [concrete]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = %Self
// CHECK:STDOUT:   .A = <poisoned>
// CHECK:STDOUT:   .A = <poisoned>
// CHECK:STDOUT:   has_error
// CHECK:STDOUT:   witness = ()
// CHECK:STDOUT:
// CHECK:STDOUT: !requires:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: constraint @A;
// CHECK:STDOUT:
// CHECK:STDOUT: specific @B.WithSelf(constants.%Self) {}
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_extend_require_enclosing.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %A.type: type = facet_type <@A> [concrete]
// CHECK:STDOUT:   %Self: %A.type = symbolic_binding Self, 0 [symbolic]
// CHECK:STDOUT:   %Self.binding.as_type: type = symbolic_binding_type Self, 0, %Self [symbolic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .A = %A.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %A.decl: type = interface_decl @A [concrete = constants.%A.type] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @A {
// CHECK:STDOUT:   %Self: %A.type = symbolic_binding Self, 0 [symbolic = constants.%Self]
// CHECK:STDOUT:   %A.WithSelf.decl = interface_with_self_decl @A [concrete]
// CHECK:STDOUT:
// CHECK:STDOUT: !with Self:
// CHECK:STDOUT:   %A.WithSelf.Self.binding.as_type.impls.A.type.require.decl = require_decl @A.WithSelf.Self.binding.as_type.impls.A.type.require [concrete] {
// CHECK:STDOUT:     require %Self.as_type impls %A.ref
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %Self.as_type: type = facet_access_type @A.%Self [symbolic = %Self.binding.as_type (constants.%Self.binding.as_type)]
// CHECK:STDOUT:     %A.ref: type = name_ref A, file.%A.decl [concrete = constants.%A.type]
// CHECK:STDOUT:   }
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = %Self
// CHECK:STDOUT:   .A = <poisoned>
// CHECK:STDOUT:   .A = <poisoned>
// CHECK:STDOUT:   witness = ()
// CHECK:STDOUT:
// CHECK:STDOUT: !requires:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic require @A.WithSelf.Self.binding.as_type.impls.A.type.require(@A.%Self: %A.type) {
// CHECK:STDOUT:   %Self: %A.type = symbolic_binding Self, 0 [symbolic = %Self (constants.%Self)]
// CHECK:STDOUT:   %Self.binding.as_type: type = symbolic_binding_type Self, 0, %Self [symbolic = %Self.binding.as_type (constants.%Self.binding.as_type)]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @A.WithSelf(constants.%Self) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @A.WithSelf.Self.binding.as_type.impls.A.type.require(constants.%Self) {
// CHECK:STDOUT:   %Self => constants.%Self
// CHECK:STDOUT:   %Self.binding.as_type => constants.%Self.binding.as_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_extend_require_enclosing_generic.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %type: type = facet_type <type> [concrete]
// CHECK:STDOUT:   %.Self: %type = symbolic_binding .Self [symbolic_self]
// CHECK:STDOUT:   %T: type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT:   %pattern_type: type = pattern_type type [concrete]
// CHECK:STDOUT:   %A.type.464: type = generic_interface_type @A [concrete]
// CHECK:STDOUT:   %A.generic: %A.type.464 = struct_value () [concrete]
// CHECK:STDOUT:   %A.type.ade: type = facet_type <@A, @A(%T)> [symbolic]
// CHECK:STDOUT:   %Self: %A.type.ade = symbolic_binding Self, 1 [symbolic]
// CHECK:STDOUT:   %Self.binding.as_type: type = symbolic_binding_type Self, 1, %Self [symbolic]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
// CHECK:STDOUT:   %A.type.69e: type = facet_type <@A, @A(%empty_struct_type)> [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .A = %A.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %A.decl: %A.type.464 = interface_decl @A [concrete = constants.%A.generic] {
// CHECK:STDOUT:     %T.patt: %pattern_type = symbolic_binding_pattern T, 0 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %.loc3_17.1: type = splice_block %.loc3_17.2 [concrete = type] {
// CHECK:STDOUT:       %.Self: %type = symbolic_binding .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT:       %.loc3_17.2: type = type_literal type [concrete = type]
// CHECK:STDOUT:     }
// CHECK:STDOUT:     %T.loc3_13.2: type = symbolic_binding T, 0 [symbolic = %T.loc3_13.1 (constants.%T)]
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic interface @A(%T.loc3_13.2: type) {
// CHECK:STDOUT:   %T.loc3_13.1: type = symbolic_binding T, 0 [symbolic = %T.loc3_13.1 (constants.%T)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %A.type: type = facet_type <@A, @A(%T.loc3_13.1)> [symbolic = %A.type (constants.%A.type.ade)]
// CHECK:STDOUT:   %Self.loc3_23.2: @A.%A.type (%A.type.ade) = symbolic_binding Self, 1 [symbolic = %Self.loc3_23.2 (constants.%Self)]
// CHECK:STDOUT:
// CHECK:STDOUT:   interface {
// CHECK:STDOUT:     %Self.loc3_23.1: @A.%A.type (%A.type.ade) = symbolic_binding Self, 1 [symbolic = %Self.loc3_23.2 (constants.%Self)]
// CHECK:STDOUT:     %A.WithSelf.decl = interface_with_self_decl @A [concrete]
// CHECK:STDOUT:
// CHECK:STDOUT:   !with Self:
// CHECK:STDOUT:     %A.WithSelf.Self.binding.as_type.impls.A.type.require.decl = require_decl @A.WithSelf.Self.binding.as_type.impls.A.type.require [concrete] {
// CHECK:STDOUT:       require %Self.as_type impls %A.type.loc11_28
// CHECK:STDOUT:     } {
// CHECK:STDOUT:       %Self.as_type: type = facet_access_type @A.%Self.loc3_23.1 [symbolic = %Self.binding.as_type (constants.%Self.binding.as_type)]
// CHECK:STDOUT:       %A.ref: %A.type.464 = name_ref A, file.%A.decl [concrete = constants.%A.generic]
// CHECK:STDOUT:       %.loc11_27: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
// CHECK:STDOUT:       %.loc11_28: type = converted %.loc11_27, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
// CHECK:STDOUT:       %A.type.loc11_28: type = facet_type <@A, @A(constants.%empty_struct_type)> [concrete = constants.%A.type.69e]
// CHECK:STDOUT:     }
// CHECK:STDOUT:
// CHECK:STDOUT:   !members:
// CHECK:STDOUT:     .Self = %Self.loc3_23.1
// CHECK:STDOUT:     .A = <poisoned>
// CHECK:STDOUT:     .A = <poisoned>
// CHECK:STDOUT:     witness = ()
// CHECK:STDOUT:
// CHECK:STDOUT:   !requires:
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic require @A.WithSelf.Self.binding.as_type.impls.A.type.require(@A.%T.loc3_13.2: type, @A.%Self.loc3_23.1: @A.%A.type (%A.type.ade)) {
// CHECK:STDOUT:   %T: type = symbolic_binding T, 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT:   %A.type.loc11_18: type = facet_type <@A, @A(%T)> [symbolic = %A.type.loc11_18 (constants.%A.type.ade)]
// CHECK:STDOUT:   %Self: @A.WithSelf.Self.binding.as_type.impls.A.type.require.%A.type.loc11_18 (%A.type.ade) = symbolic_binding Self, 1 [symbolic = %Self (constants.%Self)]
// CHECK:STDOUT:   %Self.binding.as_type: type = symbolic_binding_type Self, 1, %Self [symbolic = %Self.binding.as_type (constants.%Self.binding.as_type)]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @A(constants.%T) {
// CHECK:STDOUT:   %T.loc3_13.1 => constants.%T
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @A.WithSelf(constants.%T, constants.%Self) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @A(constants.%empty_struct_type) {
// CHECK:STDOUT:   %T.loc3_13.1 => constants.%empty_struct_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @A.WithSelf.Self.binding.as_type.impls.A.type.require(constants.%T, constants.%Self) {
// CHECK:STDOUT:   %T => constants.%T
// CHECK:STDOUT:   %A.type.loc11_18 => constants.%A.type.ade
// CHECK:STDOUT:   %Self => constants.%Self
// CHECK:STDOUT:   %Self.binding.as_type => constants.%Self.binding.as_type
// CHECK:STDOUT: }
// CHECK:STDOUT: