carbon-lang/toolchain/check/testdata/class/generic/import.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
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/class/generic/import.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/generic/import.carbon

// --- foo.carbon

library "[[@TEST_NAME]]";

class Class(T:! type);

class CompleteClass(T:! type) {
  var n: i32;
  fn F() -> i32 { return 0; }
}

fn F() -> CompleteClass(i32);

// --- foo.impl.carbon

impl library "[[@TEST_NAME]]";

class Class(T:! type) {
  var x: T;
}

fn F() -> CompleteClass(i32) {
  return {.n = 1};
}

// --- use_foo.carbon

library "[[@TEST_NAME]]";
import library "foo";

fn UseMethod() -> i32 {
  var v: CompleteClass(i32) = F();
  return v.F();
}

fn UseField() -> i32 {
  var v: CompleteClass(i32) = F();
  return v.n;
}

// --- fail_generic_arg_mismatch.carbon

library "[[@TEST_NAME]]";
import library "foo";

fn Use() {
  // TODO: Include the generic arguments in the formatted type name.
  // CHECK:STDERR: fail_generic_arg_mismatch.carbon:[[@LINE+7]]:3: error: cannot implicitly convert from `CompleteClass` to `CompleteClass` [ImplicitAsConversionFailure]
  // CHECK:STDERR:   var v: CompleteClass(i32*) = F();
  // CHECK:STDERR:   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  // CHECK:STDERR: fail_generic_arg_mismatch.carbon:[[@LINE+4]]:3: note: type `CompleteClass` does not implement interface `ImplicitAs` [MissingImplInMemberAccessNote]
  // CHECK:STDERR:   var v: CompleteClass(i32*) = F();
  // CHECK:STDERR:   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  // CHECK:STDERR:
  var v: CompleteClass(i32*) = F();
}

// --- fail_foo.impl.carbon

impl library "[[@TEST_NAME]]";

// CHECK:STDERR: fail_foo.impl.carbon:[[@LINE+8]]:13: error: redeclaration differs at parameter 1 [RedeclParamDiffers]
// CHECK:STDERR: class Class(U:! type) {
// CHECK:STDERR:             ^~~~~~~~
// CHECK:STDERR: fail_foo.impl.carbon:[[@LINE-5]]:6: in import [InImport]
// CHECK:STDERR: foo.carbon:4:13: note: previous declaration's corresponding parameter here [RedeclParamPrevious]
// CHECK:STDERR: class Class(T:! type);
// CHECK:STDERR:             ^~~~~~~~
// CHECK:STDERR:
class Class(U:! type) {
  // CHECK:STDERR: fail_foo.impl.carbon:[[@LINE+3]]:10: error: name `T` not found [NameNotFound]
  // CHECK:STDERR:   var x: T;
  // CHECK:STDERR:          ^
  var x: T;
}

// CHECK:STDOUT: --- foo.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT:   %T.patt.1: type = symbolic_binding_pattern T, 0 [symbolic]
// CHECK:STDOUT:   %Class.type: type = generic_class_type @Class [template]
// CHECK:STDOUT:   %.1: type = tuple_type () [template]
// CHECK:STDOUT:   %Class.1: %Class.type = struct_value () [template]
// CHECK:STDOUT:   %Class.2: type = class_type @Class, @Class(%T) [symbolic]
// CHECK:STDOUT:   %T.patt.2: type = symbolic_binding_pattern T, 0 [symbolic]
// CHECK:STDOUT:   %CompleteClass.type: type = generic_class_type @CompleteClass [template]
// CHECK:STDOUT:   %CompleteClass.1: %CompleteClass.type = struct_value () [template]
// CHECK:STDOUT:   %CompleteClass.2: type = class_type @CompleteClass, @CompleteClass(%T) [symbolic]
// CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
// CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
// CHECK:STDOUT:   %.2: type = unbound_element_type %CompleteClass.2, i32 [symbolic]
// CHECK:STDOUT:   %F.type.1: type = fn_type @F.1, @CompleteClass(%T) [symbolic]
// CHECK:STDOUT:   %F.1: %F.type.1 = struct_value () [symbolic]
// CHECK:STDOUT:   %.3: type = struct_type {.n: i32} [template]
// CHECK:STDOUT:   %.4: <witness> = complete_type_witness %.3 [template]
// CHECK:STDOUT:   %.5: i32 = int_literal 0 [template]
// CHECK:STDOUT:   %CompleteClass.3: type = class_type @CompleteClass, @CompleteClass(i32) [template]
// CHECK:STDOUT:   %F.type.2: type = fn_type @F.2 [template]
// CHECK:STDOUT:   %F.2: %F.type.2 = struct_value () [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     .Int32 = %import_ref
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/operators
// CHECK:STDOUT:     import Core//prelude/types
// CHECK:STDOUT:     import Core//prelude/operators/arithmetic
// CHECK:STDOUT:     import Core//prelude/operators/as
// CHECK:STDOUT:     import Core//prelude/operators/index
// CHECK:STDOUT:     import Core//prelude/operators/bitwise
// CHECK:STDOUT:     import Core//prelude/operators/comparison
// CHECK:STDOUT:     import Core//prelude/types/bool
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %import_ref: %Int32.type = import_ref Core//prelude/types, inst+15, loaded [template = constants.%Int32]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .Class = %Class.decl
// CHECK:STDOUT:     .CompleteClass = %CompleteClass.decl
// CHECK:STDOUT:     .F = %F.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %Class.decl: %Class.type = class_decl @Class [template = constants.%Class.1] {
// CHECK:STDOUT:     %T.patt.loc4_13.1: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc4_13.2 (constants.%T.patt.1)]
// CHECK:STDOUT:     %T.param_patt: type = value_param_pattern %T.patt.loc4_13.1, runtime_param<invalid> [symbolic = %T.patt.loc4_13.2 (constants.%T.patt.1)]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %T.param: type = value_param runtime_param<invalid>
// CHECK:STDOUT:     %T.loc4_13.1: type = bind_symbolic_name T, 0, %T.param [symbolic = %T.loc4_13.2 (constants.%T)]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %CompleteClass.decl: %CompleteClass.type = class_decl @CompleteClass [template = constants.%CompleteClass.1] {
// CHECK:STDOUT:     %T.patt.loc6_21.1: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc6_21.2 (constants.%T.patt.2)]
// CHECK:STDOUT:     %T.param_patt: type = value_param_pattern %T.patt.loc6_21.1, runtime_param<invalid> [symbolic = %T.patt.loc6_21.2 (constants.%T.patt.2)]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %T.param: type = value_param runtime_param<invalid>
// CHECK:STDOUT:     %T.loc6_21.1: type = bind_symbolic_name T, 0, %T.param [symbolic = %T.loc6_21.2 (constants.%T)]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %F.decl: %F.type.2 = fn_decl @F.2 [template = constants.%F.2] {
// CHECK:STDOUT:     %return.patt: %CompleteClass.3 = return_slot_pattern
// CHECK:STDOUT:     %return.param_patt: %CompleteClass.3 = out_param_pattern %return.patt, runtime_param0
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %CompleteClass.ref: %CompleteClass.type = name_ref CompleteClass, file.%CompleteClass.decl [template = constants.%CompleteClass.1]
// CHECK:STDOUT:     %int.make_type_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT:     %.loc11_24.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT:     %.loc11_24.2: type = converted %int.make_type_32, %.loc11_24.1 [template = i32]
// CHECK:STDOUT:     %CompleteClass: type = class_type @CompleteClass, @CompleteClass(i32) [template = constants.%CompleteClass.3]
// CHECK:STDOUT:     %return.param: ref %CompleteClass.3 = out_param runtime_param0
// CHECK:STDOUT:     %return: ref %CompleteClass.3 = return_slot %return.param
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic class @Class(%T.loc4_13.1: type) {
// CHECK:STDOUT:   %T.loc4_13.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_13.2 (constants.%T)]
// CHECK:STDOUT:   %T.patt.loc4_13.2: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc4_13.2 (constants.%T.patt.1)]
// CHECK:STDOUT:
// CHECK:STDOUT:   class;
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic class @CompleteClass(%T.loc6_21.1: type) {
// CHECK:STDOUT:   %T.loc6_21.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc6_21.2 (constants.%T)]
// CHECK:STDOUT:   %T.patt.loc6_21.2: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc6_21.2 (constants.%T.patt.2)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %CompleteClass: type = class_type @CompleteClass, @CompleteClass(%T.loc6_21.2) [symbolic = %CompleteClass (constants.%CompleteClass.2)]
// CHECK:STDOUT:   %.loc7_8.2: type = unbound_element_type @CompleteClass.%CompleteClass (%CompleteClass.2), i32 [symbolic = %.loc7_8.2 (constants.%.2)]
// CHECK:STDOUT:   %F.type: type = fn_type @F.1, @CompleteClass(%T.loc6_21.2) [symbolic = %F.type (constants.%F.type.1)]
// CHECK:STDOUT:   %F: @CompleteClass.%F.type (%F.type.1) = struct_value () [symbolic = %F (constants.%F.1)]
// CHECK:STDOUT:
// CHECK:STDOUT:   class {
// CHECK:STDOUT:     %int.make_type_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT:     %.loc7_10.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT:     %.loc7_10.2: type = converted %int.make_type_32, %.loc7_10.1 [template = i32]
// CHECK:STDOUT:     %.loc7_8.1: @CompleteClass.%.loc7_8.2 (%.2) = field_decl n, element0 [template]
// CHECK:STDOUT:     %F.decl: @CompleteClass.%F.type (%F.type.1) = fn_decl @F.1 [symbolic = @CompleteClass.%F (constants.%F.1)] {
// CHECK:STDOUT:       %return.patt: i32 = return_slot_pattern
// CHECK:STDOUT:       %return.param_patt: i32 = out_param_pattern %return.patt, runtime_param0
// CHECK:STDOUT:     } {
// CHECK:STDOUT:       %int.make_type_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT:       %.loc8_13.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT:       %.loc8_13.2: type = converted %int.make_type_32, %.loc8_13.1 [template = i32]
// CHECK:STDOUT:       %return.param: ref i32 = out_param runtime_param0
// CHECK:STDOUT:       %return: ref i32 = return_slot %return.param
// CHECK:STDOUT:     }
// CHECK:STDOUT:     %.loc9: <witness> = complete_type_witness %.3 [template = constants.%.4]
// CHECK:STDOUT:
// CHECK:STDOUT:   !members:
// CHECK:STDOUT:     .Self = constants.%CompleteClass.2
// CHECK:STDOUT:     .n = %.loc7_8.1
// CHECK:STDOUT:     .F = %F.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F.1(@CompleteClass.%T.loc6_21.1: type) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:
// CHECK:STDOUT:   fn() -> i32 {
// CHECK:STDOUT:   !entry:
// CHECK:STDOUT:     %.loc8_26: i32 = int_literal 0 [template = constants.%.5]
// CHECK:STDOUT:     return %.loc8_26
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F.2() -> %CompleteClass.3;
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Class(constants.%T) {
// CHECK:STDOUT:   %T.loc4_13.2 => constants.%T
// CHECK:STDOUT:   %T.patt.loc4_13.2 => constants.%T
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @CompleteClass(constants.%T) {
// CHECK:STDOUT:   %T.loc6_21.2 => constants.%T
// CHECK:STDOUT:   %T.patt.loc6_21.2 => constants.%T
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %CompleteClass => constants.%CompleteClass.2
// CHECK:STDOUT:   %.loc7_8.2 => constants.%.2
// CHECK:STDOUT:   %F.type => constants.%F.type.1
// CHECK:STDOUT:   %F => constants.%F.1
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.1(constants.%T) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @CompleteClass(@CompleteClass.%T.loc6_21.2) {
// CHECK:STDOUT:   %T.loc6_21.2 => constants.%T
// CHECK:STDOUT:   %T.patt.loc6_21.2 => constants.%T
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @CompleteClass(i32) {
// CHECK:STDOUT:   %T.loc6_21.2 => i32
// CHECK:STDOUT:   %T.patt.loc6_21.2 => i32
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- foo.impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT:   %T.patt.1: type = symbolic_binding_pattern T, 0 [symbolic]
// CHECK:STDOUT:   %Class.type: type = generic_class_type @Class [template]
// CHECK:STDOUT:   %.1: type = tuple_type () [template]
// CHECK:STDOUT:   %Class.1: %Class.type = struct_value () [template]
// CHECK:STDOUT:   %Class.2: type = class_type @Class, @Class(%T) [symbolic]
// CHECK:STDOUT:   %T.patt.2: type = symbolic_binding_pattern T, 0 [symbolic]
// CHECK:STDOUT:   %.2: type = unbound_element_type %Class.2, %T [symbolic]
// CHECK:STDOUT:   %.3: type = struct_type {.x: %T} [symbolic]
// CHECK:STDOUT:   %.4: <witness> = complete_type_witness %.3 [symbolic]
// CHECK:STDOUT:   %CompleteClass.type: type = generic_class_type @CompleteClass [template]
// CHECK:STDOUT:   %CompleteClass.1: %CompleteClass.type = struct_value () [template]
// CHECK:STDOUT:   %.5: type = struct_type {.n: i32} [template]
// CHECK:STDOUT:   %.6: <witness> = complete_type_witness %.5 [template]
// CHECK:STDOUT:   %CompleteClass.2: type = class_type @CompleteClass, @CompleteClass(%T) [symbolic]
// CHECK:STDOUT:   %.7: type = unbound_element_type %CompleteClass.2, i32 [symbolic]
// CHECK:STDOUT:   %F.type.1: type = fn_type @F.1, @CompleteClass(%T) [symbolic]
// CHECK:STDOUT:   %F.1: %F.type.1 = struct_value () [symbolic]
// CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
// CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
// CHECK:STDOUT:   %CompleteClass.3: type = class_type @CompleteClass, @CompleteClass(i32) [template]
// CHECK:STDOUT:   %F.type.2: type = fn_type @F.2 [template]
// CHECK:STDOUT:   %F.2: %F.type.2 = struct_value () [template]
// CHECK:STDOUT:   %.8: type = unbound_element_type %CompleteClass.3, i32 [template]
// CHECK:STDOUT:   %F.type.3: type = fn_type @F.1, @CompleteClass(i32) [template]
// CHECK:STDOUT:   %F.3: %F.type.3 = struct_value () [template]
// CHECK:STDOUT:   %.9: type = ptr_type %.5 [template]
// CHECK:STDOUT:   %.10: i32 = int_literal 1 [template]
// CHECK:STDOUT:   %struct: %CompleteClass.3 = struct_value (%.10) [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %import_ref.1: %Class.type = import_ref Main//foo, inst+9, loaded [template = constants.%Class.1]
// CHECK:STDOUT:   %import_ref.2: %CompleteClass.type = import_ref Main//foo, inst+21, loaded [template = constants.%CompleteClass.1]
// CHECK:STDOUT:   %import_ref.3: %F.type.2 = import_ref Main//foo, inst+71, loaded [template = constants.%F.2]
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     .Int32 = %import_ref.7
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/operators
// CHECK:STDOUT:     import Core//prelude/types
// CHECK:STDOUT:     import Core//prelude/operators/arithmetic
// CHECK:STDOUT:     import Core//prelude/operators/as
// CHECK:STDOUT:     import Core//prelude/operators/index
// CHECK:STDOUT:     import Core//prelude/operators/bitwise
// CHECK:STDOUT:     import Core//prelude/operators/comparison
// CHECK:STDOUT:     import Core//prelude/types/bool
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %import_ref.4 = import_ref Main//foo, inst+26, unloaded
// CHECK:STDOUT:   %import_ref.5 = import_ref Main//foo, inst+38, unloaded
// CHECK:STDOUT:   %import_ref.6 = import_ref Main//foo, inst+48, unloaded
// CHECK:STDOUT:   %import_ref.7: %Int32.type = import_ref Core//prelude/types, inst+15, loaded [template = constants.%Int32]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Class = %Class.decl
// CHECK:STDOUT:     .CompleteClass = imports.%import_ref.2
// CHECK:STDOUT:     .F = %F.decl
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %default.import.loc2_6.1 = import <invalid>
// CHECK:STDOUT:   %default.import.loc2_6.2 = import <invalid>
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %Class.decl: %Class.type = class_decl @Class [template = constants.%Class.1] {
// CHECK:STDOUT:     %T.patt.loc4: type = symbolic_binding_pattern T, 0 [symbolic = constants.%T.patt.1]
// CHECK:STDOUT:     %T.param_patt: type = value_param_pattern %T.patt.loc4, runtime_param<invalid> [symbolic = constants.%T.patt.1]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %T.param: type = value_param runtime_param<invalid>
// CHECK:STDOUT:     %T.loc4: type = bind_symbolic_name T, 0, %T.param [symbolic = constants.%T]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %F.decl: %F.type.2 = fn_decl @F.2 [template = constants.%F.2] {
// CHECK:STDOUT:     %return.patt: %CompleteClass.3 = return_slot_pattern
// CHECK:STDOUT:     %return.param_patt: %CompleteClass.3 = out_param_pattern %return.patt, runtime_param0
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %CompleteClass.ref: %CompleteClass.type = name_ref CompleteClass, imports.%import_ref.2 [template = constants.%CompleteClass.1]
// CHECK:STDOUT:     %int.make_type_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT:     %.loc8_24.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT:     %.loc8_24.2: type = converted %int.make_type_32, %.loc8_24.1 [template = i32]
// CHECK:STDOUT:     %CompleteClass: type = class_type @CompleteClass, @CompleteClass(i32) [template = constants.%CompleteClass.3]
// CHECK:STDOUT:     %return.param: ref %CompleteClass.3 = out_param runtime_param0
// CHECK:STDOUT:     %return: ref %CompleteClass.3 = return_slot %return.param
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic class @Class(constants.%T: type) {
// CHECK:STDOUT:   %T.1: type = bind_symbolic_name T, 0 [symbolic = %T.1 (constants.%T)]
// CHECK:STDOUT:   %T.patt.1: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.1 (constants.%T.patt.2)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %Class: type = class_type @Class, @Class(%T.1) [symbolic = %Class (constants.%Class.2)]
// CHECK:STDOUT:   %.loc5_8.2: type = unbound_element_type @Class.%Class (%Class.2), @Class.%T.1 (%T) [symbolic = %.loc5_8.2 (constants.%.2)]
// CHECK:STDOUT:   %.loc6_1.2: type = struct_type {.x: @Class.%T.1 (%T)} [symbolic = %.loc6_1.2 (constants.%.3)]
// CHECK:STDOUT:   %.loc6_1.3: <witness> = complete_type_witness @Class.%.loc6_1.2 (%.3) [symbolic = %.loc6_1.3 (constants.%.4)]
// CHECK:STDOUT:
// CHECK:STDOUT:   class {
// CHECK:STDOUT:     %T.ref: type = name_ref T, %T.loc4 [symbolic = %T.1 (constants.%T)]
// CHECK:STDOUT:     %.loc5_8.1: @Class.%.loc5_8.2 (%.2) = field_decl x, element0 [template]
// CHECK:STDOUT:     %.loc6_1.1: <witness> = complete_type_witness %.3 [symbolic = %.loc6_1.3 (constants.%.4)]
// CHECK:STDOUT:
// CHECK:STDOUT:   !members:
// CHECK:STDOUT:     .Self = constants.%Class.2
// CHECK:STDOUT:     .x = %.loc5_8.1
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic class @CompleteClass(constants.%T: type) {
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT:   %T.patt: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt (constants.%T.patt.2)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %CompleteClass: type = class_type @CompleteClass, @CompleteClass(%T) [symbolic = %CompleteClass (constants.%CompleteClass.2)]
// CHECK:STDOUT:   %.1: type = unbound_element_type @CompleteClass.%CompleteClass (%CompleteClass.2), i32 [symbolic = %.1 (constants.%.7)]
// CHECK:STDOUT:   %F.type: type = fn_type @F.1, @CompleteClass(%T) [symbolic = %F.type (constants.%F.type.1)]
// CHECK:STDOUT:   %F: @CompleteClass.%F.type (%F.type.1) = struct_value () [symbolic = %F (constants.%F.1)]
// CHECK:STDOUT:
// CHECK:STDOUT:   class {
// CHECK:STDOUT:   !members:
// CHECK:STDOUT:     .Self = imports.%import_ref.4
// CHECK:STDOUT:     .n = imports.%import_ref.5
// CHECK:STDOUT:     .F = imports.%import_ref.6
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F.1(constants.%T: type) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:
// CHECK:STDOUT:   fn() -> i32;
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F.2() -> %return: %CompleteClass.3 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %.loc9_16: i32 = int_literal 1 [template = constants.%.10]
// CHECK:STDOUT:   %.loc9_17.1: %.5 = struct_literal (%.loc9_16)
// CHECK:STDOUT:   %.loc9_17.2: ref i32 = class_element_access %return, element0
// CHECK:STDOUT:   %.loc9_17.3: init i32 = initialize_from %.loc9_16 to %.loc9_17.2 [template = constants.%.10]
// CHECK:STDOUT:   %.loc9_17.4: init %CompleteClass.3 = class_init (%.loc9_17.3), %return [template = constants.%struct]
// CHECK:STDOUT:   %.loc9_18: init %CompleteClass.3 = converted %.loc9_17.1, %.loc9_17.4 [template = constants.%struct]
// CHECK:STDOUT:   return %.loc9_18 to %return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Class(constants.%T) {
// CHECK:STDOUT:   %T.1 => constants.%T
// CHECK:STDOUT:   %T.patt.1 => constants.%T
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Class(@Class.%T.1) {
// CHECK:STDOUT:   %T.1 => constants.%T
// CHECK:STDOUT:   %T.patt.1 => constants.%T
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @CompleteClass(constants.%T) {
// CHECK:STDOUT:   %T => constants.%T
// CHECK:STDOUT:   %T.patt => constants.%T
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %CompleteClass => constants.%CompleteClass.2
// CHECK:STDOUT:   %.1 => constants.%.7
// CHECK:STDOUT:   %F.type => constants.%F.type.1
// CHECK:STDOUT:   %F => constants.%F.1
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @CompleteClass(@CompleteClass.%T) {
// CHECK:STDOUT:   %T => constants.%T
// CHECK:STDOUT:   %T.patt => constants.%T
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.1(constants.%T) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @CompleteClass(i32) {
// CHECK:STDOUT:   %T => i32
// CHECK:STDOUT:   %T.patt => i32
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %CompleteClass => constants.%CompleteClass.3
// CHECK:STDOUT:   %.1 => constants.%.8
// CHECK:STDOUT:   %F.type => constants.%F.type.3
// CHECK:STDOUT:   %F => constants.%F.3
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- use_foo.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
// CHECK:STDOUT:   %.1: type = tuple_type () [template]
// CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
// CHECK:STDOUT:   %UseMethod.type: type = fn_type @UseMethod [template]
// CHECK:STDOUT:   %UseMethod: %UseMethod.type = struct_value () [template]
// CHECK:STDOUT:   %CompleteClass.type: type = generic_class_type @CompleteClass [template]
// CHECK:STDOUT:   %CompleteClass.1: %CompleteClass.type = struct_value () [template]
// CHECK:STDOUT:   %.2: type = struct_type {.n: i32} [template]
// CHECK:STDOUT:   %.3: <witness> = complete_type_witness %.2 [template]
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT:   %CompleteClass.2: type = class_type @CompleteClass, @CompleteClass(%T) [symbolic]
// CHECK:STDOUT:   %T.patt: type = symbolic_binding_pattern T, 0 [symbolic]
// CHECK:STDOUT:   %.4: type = unbound_element_type %CompleteClass.2, i32 [symbolic]
// CHECK:STDOUT:   %F.type.1: type = fn_type @F.1, @CompleteClass(%T) [symbolic]
// CHECK:STDOUT:   %F.1: %F.type.1 = struct_value () [symbolic]
// CHECK:STDOUT:   %CompleteClass.3: type = class_type @CompleteClass, @CompleteClass(i32) [template]
// CHECK:STDOUT:   %.5: type = unbound_element_type %CompleteClass.3, i32 [template]
// CHECK:STDOUT:   %F.type.2: type = fn_type @F.1, @CompleteClass(i32) [template]
// CHECK:STDOUT:   %F.2: %F.type.2 = struct_value () [template]
// CHECK:STDOUT:   %.6: type = ptr_type %.2 [template]
// CHECK:STDOUT:   %F.type.3: type = fn_type @F.2 [template]
// CHECK:STDOUT:   %F.3: %F.type.3 = struct_value () [template]
// CHECK:STDOUT:   %.7: <specific function> = specific_function %F.2, @F.1(i32) [template]
// CHECK:STDOUT:   %UseField.type: type = fn_type @UseField [template]
// CHECK:STDOUT:   %UseField: %UseField.type = struct_value () [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %import_ref.1 = import_ref Main//foo, inst+9, unloaded
// CHECK:STDOUT:   %import_ref.2: %CompleteClass.type = import_ref Main//foo, inst+21, loaded [template = constants.%CompleteClass.1]
// CHECK:STDOUT:   %import_ref.3: %F.type.3 = import_ref Main//foo, inst+71, loaded [template = constants.%F.3]
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     .Int32 = %import_ref.4
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/operators
// CHECK:STDOUT:     import Core//prelude/types
// CHECK:STDOUT:     import Core//prelude/operators/arithmetic
// CHECK:STDOUT:     import Core//prelude/operators/as
// CHECK:STDOUT:     import Core//prelude/operators/index
// CHECK:STDOUT:     import Core//prelude/operators/bitwise
// CHECK:STDOUT:     import Core//prelude/operators/comparison
// CHECK:STDOUT:     import Core//prelude/types/bool
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %import_ref.4: %Int32.type = import_ref Core//prelude/types, inst+15, loaded [template = constants.%Int32]
// CHECK:STDOUT:   %import_ref.5 = import_ref Main//foo, inst+26, unloaded
// CHECK:STDOUT:   %import_ref.6: @CompleteClass.%.1 (%.4) = import_ref Main//foo, inst+38, loaded [template = %.1]
// CHECK:STDOUT:   %import_ref.7: @CompleteClass.%F.type (%F.type.1) = import_ref Main//foo, inst+48, loaded [symbolic = @CompleteClass.%F (constants.%F.1)]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Class = imports.%import_ref.1
// CHECK:STDOUT:     .CompleteClass = imports.%import_ref.2
// CHECK:STDOUT:     .F = imports.%import_ref.3
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .UseMethod = %UseMethod.decl
// CHECK:STDOUT:     .UseField = %UseField.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %default.import = import <invalid>
// CHECK:STDOUT:   %UseMethod.decl: %UseMethod.type = fn_decl @UseMethod [template = constants.%UseMethod] {
// CHECK:STDOUT:     %return.patt: i32 = return_slot_pattern
// CHECK:STDOUT:     %return.param_patt: i32 = out_param_pattern %return.patt, runtime_param0
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %int.make_type_32.loc5: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT:     %.loc5_19.1: type = value_of_initializer %int.make_type_32.loc5 [template = i32]
// CHECK:STDOUT:     %.loc5_19.2: type = converted %int.make_type_32.loc5, %.loc5_19.1 [template = i32]
// CHECK:STDOUT:     %return.param: ref i32 = out_param runtime_param0
// CHECK:STDOUT:     %return: ref i32 = return_slot %return.param
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %UseField.decl: %UseField.type = fn_decl @UseField [template = constants.%UseField] {
// CHECK:STDOUT:     %return.patt: i32 = return_slot_pattern
// CHECK:STDOUT:     %return.param_patt: i32 = out_param_pattern %return.patt, runtime_param0
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %int.make_type_32.loc10: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT:     %.loc10_18.1: type = value_of_initializer %int.make_type_32.loc10 [template = i32]
// CHECK:STDOUT:     %.loc10_18.2: type = converted %int.make_type_32.loc10, %.loc10_18.1 [template = i32]
// CHECK:STDOUT:     %return.param: ref i32 = out_param runtime_param0
// CHECK:STDOUT:     %return: ref i32 = return_slot %return.param
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic class @CompleteClass(constants.%T: type) {
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT:   %T.patt: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt (constants.%T.patt)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %CompleteClass: type = class_type @CompleteClass, @CompleteClass(%T) [symbolic = %CompleteClass (constants.%CompleteClass.2)]
// CHECK:STDOUT:   %.1: type = unbound_element_type @CompleteClass.%CompleteClass (%CompleteClass.2), i32 [symbolic = %.1 (constants.%.4)]
// CHECK:STDOUT:   %F.type: type = fn_type @F.1, @CompleteClass(%T) [symbolic = %F.type (constants.%F.type.1)]
// CHECK:STDOUT:   %F: @CompleteClass.%F.type (%F.type.1) = struct_value () [symbolic = %F (constants.%F.1)]
// CHECK:STDOUT:
// CHECK:STDOUT:   class {
// CHECK:STDOUT:   !members:
// CHECK:STDOUT:     .Self = imports.%import_ref.5
// CHECK:STDOUT:     .n = imports.%import_ref.6
// CHECK:STDOUT:     .F = imports.%import_ref.7
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @UseMethod() -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %CompleteClass.ref: %CompleteClass.type = name_ref CompleteClass, imports.%import_ref.2 [template = constants.%CompleteClass.1]
// CHECK:STDOUT:   %int.make_type_32.loc6: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT:   %.loc6_23.1: type = value_of_initializer %int.make_type_32.loc6 [template = i32]
// CHECK:STDOUT:   %.loc6_23.2: type = converted %int.make_type_32.loc6, %.loc6_23.1 [template = i32]
// CHECK:STDOUT:   %CompleteClass: type = class_type @CompleteClass, @CompleteClass(i32) [template = constants.%CompleteClass.3]
// CHECK:STDOUT:   %v.var: ref %CompleteClass.3 = var v
// CHECK:STDOUT:   %v: ref %CompleteClass.3 = bind_name v, %v.var
// CHECK:STDOUT:   %F.ref.loc6: %F.type.3 = name_ref F, imports.%import_ref.3 [template = constants.%F.3]
// CHECK:STDOUT:   %.loc6_7: ref %CompleteClass.3 = splice_block %v.var {}
// CHECK:STDOUT:   %F.call.loc6: init %CompleteClass.3 = call %F.ref.loc6() to %.loc6_7
// CHECK:STDOUT:   assign %v.var, %F.call.loc6
// CHECK:STDOUT:   %v.ref: ref %CompleteClass.3 = name_ref v, %v
// CHECK:STDOUT:   %.loc7_11.1: %F.type.2 = specific_constant imports.%import_ref.7, @CompleteClass(i32) [template = constants.%F.2]
// CHECK:STDOUT:   %F.ref.loc7: %F.type.2 = name_ref F, %.loc7_11.1 [template = constants.%F.2]
// CHECK:STDOUT:   %.loc7_11.2: <specific function> = specific_function %F.ref.loc7, @F.1(i32) [template = constants.%.7]
// CHECK:STDOUT:   %F.call.loc7: init i32 = call %.loc7_11.2()
// CHECK:STDOUT:   %.loc7_15.1: i32 = value_of_initializer %F.call.loc7
// CHECK:STDOUT:   %.loc7_15.2: i32 = converted %F.call.loc7, %.loc7_15.1
// CHECK:STDOUT:   return %.loc7_15.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F.1(constants.%T: type) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:
// CHECK:STDOUT:   fn() -> i32;
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F.2() -> %CompleteClass.3;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @UseField() -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %CompleteClass.ref: %CompleteClass.type = name_ref CompleteClass, imports.%import_ref.2 [template = constants.%CompleteClass.1]
// CHECK:STDOUT:   %int.make_type_32.loc11: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT:   %.loc11_23.1: type = value_of_initializer %int.make_type_32.loc11 [template = i32]
// CHECK:STDOUT:   %.loc11_23.2: type = converted %int.make_type_32.loc11, %.loc11_23.1 [template = i32]
// CHECK:STDOUT:   %CompleteClass: type = class_type @CompleteClass, @CompleteClass(i32) [template = constants.%CompleteClass.3]
// CHECK:STDOUT:   %v.var: ref %CompleteClass.3 = var v
// CHECK:STDOUT:   %v: ref %CompleteClass.3 = bind_name v, %v.var
// CHECK:STDOUT:   %F.ref: %F.type.3 = name_ref F, imports.%import_ref.3 [template = constants.%F.3]
// CHECK:STDOUT:   %.loc11_7: ref %CompleteClass.3 = splice_block %v.var {}
// CHECK:STDOUT:   %F.call: init %CompleteClass.3 = call %F.ref() to %.loc11_7
// CHECK:STDOUT:   assign %v.var, %F.call
// CHECK:STDOUT:   %v.ref: ref %CompleteClass.3 = name_ref v, %v
// CHECK:STDOUT:   %n.ref: %.5 = name_ref n, imports.%import_ref.6 [template = imports.%.1]
// CHECK:STDOUT:   %.loc12_11.1: ref i32 = class_element_access %v.ref, element0
// CHECK:STDOUT:   %.loc12_11.2: i32 = bind_value %.loc12_11.1
// CHECK:STDOUT:   return %.loc12_11.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @CompleteClass(constants.%T) {
// CHECK:STDOUT:   %T => constants.%T
// CHECK:STDOUT:   %T.patt => constants.%T
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %CompleteClass => constants.%CompleteClass.2
// CHECK:STDOUT:   %.1 => constants.%.4
// CHECK:STDOUT:   %F.type => constants.%F.type.1
// CHECK:STDOUT:   %F => constants.%F.1
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @CompleteClass(@CompleteClass.%T) {
// CHECK:STDOUT:   %T => constants.%T
// CHECK:STDOUT:   %T.patt => constants.%T
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.1(constants.%T) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @CompleteClass(i32) {
// CHECK:STDOUT:   %T => i32
// CHECK:STDOUT:   %T.patt => i32
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %CompleteClass => constants.%CompleteClass.3
// CHECK:STDOUT:   %.1 => constants.%.5
// CHECK:STDOUT:   %F.type => constants.%F.type.2
// CHECK:STDOUT:   %F => constants.%F.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.1(i32) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_generic_arg_mismatch.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %Use.type: type = fn_type @Use [template]
// CHECK:STDOUT:   %.1: type = tuple_type () [template]
// CHECK:STDOUT:   %Use: %Use.type = struct_value () [template]
// CHECK:STDOUT:   %CompleteClass.type: type = generic_class_type @CompleteClass [template]
// CHECK:STDOUT:   %CompleteClass.1: %CompleteClass.type = struct_value () [template]
// CHECK:STDOUT:   %.2: type = struct_type {.n: i32} [template]
// CHECK:STDOUT:   %.3: <witness> = complete_type_witness %.2 [template]
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT:   %CompleteClass.2: type = class_type @CompleteClass, @CompleteClass(%T) [symbolic]
// CHECK:STDOUT:   %T.patt: type = symbolic_binding_pattern T, 0 [symbolic]
// CHECK:STDOUT:   %.4: type = unbound_element_type %CompleteClass.2, i32 [symbolic]
// CHECK:STDOUT:   %F.type.1: type = fn_type @F.1, @CompleteClass(%T) [symbolic]
// CHECK:STDOUT:   %F.1: %F.type.1 = struct_value () [symbolic]
// CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
// CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
// CHECK:STDOUT:   %.5: type = ptr_type i32 [template]
// CHECK:STDOUT:   %CompleteClass.3: type = class_type @CompleteClass, @CompleteClass(%.5) [template]
// CHECK:STDOUT:   %.6: type = unbound_element_type %CompleteClass.3, i32 [template]
// CHECK:STDOUT:   %F.type.2: type = fn_type @F.1, @CompleteClass(%.5) [template]
// CHECK:STDOUT:   %F.2: %F.type.2 = struct_value () [template]
// CHECK:STDOUT:   %.7: type = ptr_type %.2 [template]
// CHECK:STDOUT:   %F.type.3: type = fn_type @F.2 [template]
// CHECK:STDOUT:   %F.3: %F.type.3 = struct_value () [template]
// CHECK:STDOUT:   %CompleteClass.4: type = class_type @CompleteClass, @CompleteClass(i32) [template]
// CHECK:STDOUT:   %.8: type = unbound_element_type %CompleteClass.4, i32 [template]
// CHECK:STDOUT:   %F.type.4: type = fn_type @F.1, @CompleteClass(i32) [template]
// CHECK:STDOUT:   %F.4: %F.type.4 = struct_value () [template]
// CHECK:STDOUT:   %ImplicitAs.type.1: type = generic_interface_type @ImplicitAs [template]
// CHECK:STDOUT:   %ImplicitAs: %ImplicitAs.type.1 = struct_value () [template]
// CHECK:STDOUT:   %Dest: type = bind_symbolic_name Dest, 0 [symbolic]
// CHECK:STDOUT:   %ImplicitAs.type.2: type = interface_type @ImplicitAs, @ImplicitAs(%Dest) [symbolic]
// CHECK:STDOUT:   %Self.1: @ImplicitAs.%ImplicitAs.type (%ImplicitAs.type.2) = bind_symbolic_name Self, 1 [symbolic]
// CHECK:STDOUT:   %Dest.patt: type = symbolic_binding_pattern Dest, 0 [symbolic]
// CHECK:STDOUT:   %Self.2: %ImplicitAs.type.2 = bind_symbolic_name Self, 1 [symbolic]
// CHECK:STDOUT:   %Convert.type.1: type = fn_type @Convert, @ImplicitAs(%Dest) [symbolic]
// CHECK:STDOUT:   %Convert.1: %Convert.type.1 = struct_value () [symbolic]
// CHECK:STDOUT:   %.9: type = assoc_entity_type %ImplicitAs.type.2, %Convert.type.1 [symbolic]
// CHECK:STDOUT:   %.10: %.9 = assoc_entity element0, imports.%import_ref.12 [symbolic]
// CHECK:STDOUT:   %ImplicitAs.type.3: type = interface_type @ImplicitAs, @ImplicitAs(%CompleteClass.3) [template]
// CHECK:STDOUT:   %Convert.type.2: type = fn_type @Convert, @ImplicitAs(%CompleteClass.3) [template]
// CHECK:STDOUT:   %Convert.2: %Convert.type.2 = struct_value () [template]
// CHECK:STDOUT:   %.11: type = assoc_entity_type %ImplicitAs.type.3, %Convert.type.2 [template]
// CHECK:STDOUT:   %.12: %.11 = assoc_entity element0, imports.%import_ref.12 [template]
// CHECK:STDOUT:   %.13: %.9 = assoc_entity element0, imports.%import_ref.13 [symbolic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %import_ref.1 = import_ref Main//foo, inst+9, unloaded
// CHECK:STDOUT:   %import_ref.2: %CompleteClass.type = import_ref Main//foo, inst+21, loaded [template = constants.%CompleteClass.1]
// CHECK:STDOUT:   %import_ref.3: %F.type.3 = import_ref Main//foo, inst+71, loaded [template = constants.%F.3]
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     .Int32 = %import_ref.7
// CHECK:STDOUT:     .ImplicitAs = %import_ref.8
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/operators
// CHECK:STDOUT:     import Core//prelude/types
// CHECK:STDOUT:     import Core//prelude/operators/arithmetic
// CHECK:STDOUT:     import Core//prelude/operators/as
// CHECK:STDOUT:     import Core//prelude/operators/index
// CHECK:STDOUT:     import Core//prelude/operators/bitwise
// CHECK:STDOUT:     import Core//prelude/operators/comparison
// CHECK:STDOUT:     import Core//prelude/types/bool
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %import_ref.4 = import_ref Main//foo, inst+26, unloaded
// CHECK:STDOUT:   %import_ref.5 = import_ref Main//foo, inst+38, unloaded
// CHECK:STDOUT:   %import_ref.6 = import_ref Main//foo, inst+48, unloaded
// CHECK:STDOUT:   %import_ref.7: %Int32.type = import_ref Core//prelude/types, inst+15, loaded [template = constants.%Int32]
// CHECK:STDOUT:   %import_ref.8: %ImplicitAs.type.1 = import_ref Core//prelude/operators/as, inst+49, loaded [template = constants.%ImplicitAs]
// CHECK:STDOUT:   %import_ref.9 = import_ref Core//prelude/operators/as, inst+55, unloaded
// CHECK:STDOUT:   %import_ref.10: @ImplicitAs.%.1 (%.9) = import_ref Core//prelude/operators/as, inst+77, loaded [symbolic = @ImplicitAs.%.2 (constants.%.13)]
// CHECK:STDOUT:   %import_ref.11 = import_ref Core//prelude/operators/as, inst+70, unloaded
// CHECK:STDOUT:   %import_ref.12 = import_ref Core//prelude/operators/as, inst+70, unloaded
// CHECK:STDOUT:   %import_ref.13 = import_ref Core//prelude/operators/as, inst+70, unloaded
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Class = imports.%import_ref.1
// CHECK:STDOUT:     .CompleteClass = imports.%import_ref.2
// CHECK:STDOUT:     .F = imports.%import_ref.3
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .Use = %Use.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %default.import = import <invalid>
// CHECK:STDOUT:   %Use.decl: %Use.type = fn_decl @Use [template = constants.%Use] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic interface @ImplicitAs(constants.%Dest: type) {
// CHECK:STDOUT:   %Dest: type = bind_symbolic_name Dest, 0 [symbolic = %Dest (constants.%Dest)]
// CHECK:STDOUT:   %Dest.patt: type = symbolic_binding_pattern Dest, 0 [symbolic = %Dest.patt (constants.%Dest.patt)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %ImplicitAs.type: type = interface_type @ImplicitAs, @ImplicitAs(%Dest) [symbolic = %ImplicitAs.type (constants.%ImplicitAs.type.2)]
// CHECK:STDOUT:   %Self: %ImplicitAs.type.2 = bind_symbolic_name Self, 1 [symbolic = %Self (constants.%Self.2)]
// CHECK:STDOUT:   %Convert.type: type = fn_type @Convert, @ImplicitAs(%Dest) [symbolic = %Convert.type (constants.%Convert.type.1)]
// CHECK:STDOUT:   %Convert: @ImplicitAs.%Convert.type (%Convert.type.1) = struct_value () [symbolic = %Convert (constants.%Convert.1)]
// CHECK:STDOUT:   %.1: type = assoc_entity_type @ImplicitAs.%ImplicitAs.type (%ImplicitAs.type.2), @ImplicitAs.%Convert.type (%Convert.type.1) [symbolic = %.1 (constants.%.9)]
// CHECK:STDOUT:   %.2: @ImplicitAs.%.1 (%.9) = assoc_entity element0, imports.%import_ref.12 [symbolic = %.2 (constants.%.10)]
// CHECK:STDOUT:
// CHECK:STDOUT:   interface {
// CHECK:STDOUT:   !members:
// CHECK:STDOUT:     .Self = imports.%import_ref.9
// CHECK:STDOUT:     .Convert = imports.%import_ref.10
// CHECK:STDOUT:     witness = (imports.%import_ref.11)
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic class @CompleteClass(constants.%T: type) {
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT:   %T.patt: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt (constants.%T.patt)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %CompleteClass: type = class_type @CompleteClass, @CompleteClass(%T) [symbolic = %CompleteClass (constants.%CompleteClass.2)]
// CHECK:STDOUT:   %.1: type = unbound_element_type @CompleteClass.%CompleteClass (%CompleteClass.2), i32 [symbolic = %.1 (constants.%.4)]
// CHECK:STDOUT:   %F.type: type = fn_type @F.1, @CompleteClass(%T) [symbolic = %F.type (constants.%F.type.1)]
// CHECK:STDOUT:   %F: @CompleteClass.%F.type (%F.type.1) = struct_value () [symbolic = %F (constants.%F.1)]
// CHECK:STDOUT:
// CHECK:STDOUT:   class {
// CHECK:STDOUT:   !members:
// CHECK:STDOUT:     .Self = imports.%import_ref.4
// CHECK:STDOUT:     .n = imports.%import_ref.5
// CHECK:STDOUT:     .F = imports.%import_ref.6
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Use() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %CompleteClass.ref: %CompleteClass.type = name_ref CompleteClass, imports.%import_ref.2 [template = constants.%CompleteClass.1]
// CHECK:STDOUT:   %int.make_type_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT:   %.loc14_27.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT:   %.loc14_27.2: type = converted %int.make_type_32, %.loc14_27.1 [template = i32]
// CHECK:STDOUT:   %.loc14_27.3: type = ptr_type i32 [template = constants.%.5]
// CHECK:STDOUT:   %CompleteClass: type = class_type @CompleteClass, @CompleteClass(constants.%.5) [template = constants.%CompleteClass.3]
// CHECK:STDOUT:   %v.var: ref %CompleteClass.3 = var v
// CHECK:STDOUT:   %v: ref %CompleteClass.3 = bind_name v, %v.var
// CHECK:STDOUT:   %F.ref: %F.type.3 = name_ref F, imports.%import_ref.3 [template = constants.%F.3]
// CHECK:STDOUT:   %.loc14_33.1: ref %CompleteClass.4 = temporary_storage
// CHECK:STDOUT:   %F.call: init %CompleteClass.4 = call %F.ref() to %.loc14_33.1
// CHECK:STDOUT:   %ImplicitAs.type: type = interface_type @ImplicitAs, @ImplicitAs(constants.%CompleteClass.3) [template = constants.%ImplicitAs.type.3]
// CHECK:STDOUT:   %.loc14_35.1: %.11 = specific_constant imports.%import_ref.10, @ImplicitAs(constants.%CompleteClass.3) [template = constants.%.12]
// CHECK:STDOUT:   %Convert.ref: %.11 = name_ref Convert, %.loc14_35.1 [template = constants.%.12]
// CHECK:STDOUT:   %.loc14_33.2: ref %CompleteClass.4 = temporary %.loc14_33.1, %F.call
// CHECK:STDOUT:   %.loc14_35.2: %CompleteClass.3 = converted %F.call, <error> [template = <error>]
// CHECK:STDOUT:   assign %v.var, <error>
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F.1(constants.%T: type) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:
// CHECK:STDOUT:   fn() -> i32;
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F.2() -> %CompleteClass.4;
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @Convert(constants.%Dest: type, constants.%Self.1: @ImplicitAs.%ImplicitAs.type (%ImplicitAs.type.2)) {
// CHECK:STDOUT:   %Dest: type = bind_symbolic_name Dest, 0 [symbolic = %Dest (constants.%Dest)]
// CHECK:STDOUT:   %ImplicitAs.type: type = interface_type @ImplicitAs, @ImplicitAs(%Dest) [symbolic = %ImplicitAs.type (constants.%ImplicitAs.type.2)]
// CHECK:STDOUT:   %Self: %ImplicitAs.type.2 = bind_symbolic_name Self, 1 [symbolic = %Self (constants.%Self.2)]
// CHECK:STDOUT:
// CHECK:STDOUT:   fn[%self.param_patt: @Convert.%Self (%Self.2)]() -> @Convert.%Dest (%Dest);
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @CompleteClass(constants.%T) {
// CHECK:STDOUT:   %T => constants.%T
// CHECK:STDOUT:   %T.patt => constants.%T
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %CompleteClass => constants.%CompleteClass.2
// CHECK:STDOUT:   %.1 => constants.%.4
// CHECK:STDOUT:   %F.type => constants.%F.type.1
// CHECK:STDOUT:   %F => constants.%F.1
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @CompleteClass(@CompleteClass.%T) {
// CHECK:STDOUT:   %T => constants.%T
// CHECK:STDOUT:   %T.patt => constants.%T
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.1(constants.%T) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @CompleteClass(constants.%.5) {
// CHECK:STDOUT:   %T => constants.%.5
// CHECK:STDOUT:   %T.patt => constants.%.5
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %CompleteClass => constants.%CompleteClass.3
// CHECK:STDOUT:   %.1 => constants.%.6
// CHECK:STDOUT:   %F.type => constants.%F.type.2
// CHECK:STDOUT:   %F => constants.%F.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @CompleteClass(i32) {
// CHECK:STDOUT:   %T => i32
// CHECK:STDOUT:   %T.patt => i32
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %CompleteClass => constants.%CompleteClass.4
// CHECK:STDOUT:   %.1 => constants.%.8
// CHECK:STDOUT:   %F.type => constants.%F.type.4
// CHECK:STDOUT:   %F => constants.%F.4
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @ImplicitAs(constants.%Dest) {
// CHECK:STDOUT:   %Dest => constants.%Dest
// CHECK:STDOUT:   %Dest.patt => constants.%Dest
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @ImplicitAs(@ImplicitAs.%Dest) {
// CHECK:STDOUT:   %Dest => constants.%Dest
// CHECK:STDOUT:   %Dest.patt => constants.%Dest
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @ImplicitAs(@Convert.%Dest) {
// CHECK:STDOUT:   %Dest => constants.%Dest
// CHECK:STDOUT:   %Dest.patt => constants.%Dest
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Convert(constants.%Dest, constants.%Self.1) {
// CHECK:STDOUT:   %Dest => constants.%Dest
// CHECK:STDOUT:   %ImplicitAs.type => constants.%ImplicitAs.type.2
// CHECK:STDOUT:   %Self => constants.%Self.1
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @ImplicitAs(constants.%CompleteClass.3) {
// CHECK:STDOUT:   %Dest => constants.%CompleteClass.3
// CHECK:STDOUT:   %Dest.patt => constants.%CompleteClass.3
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:   %ImplicitAs.type => constants.%ImplicitAs.type.3
// CHECK:STDOUT:   %Self => constants.%Self.2
// CHECK:STDOUT:   %Convert.type => constants.%Convert.type.2
// CHECK:STDOUT:   %Convert => constants.%Convert.2
// CHECK:STDOUT:   %.1 => constants.%.11
// CHECK:STDOUT:   %.2 => constants.%.12
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_foo.impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %U: type = bind_symbolic_name U, 0 [symbolic]
// CHECK:STDOUT:   %U.patt: type = symbolic_binding_pattern U, 0 [symbolic]
// CHECK:STDOUT:   %Class.type: type = generic_class_type @Class [template]
// CHECK:STDOUT:   %.1: type = tuple_type () [template]
// CHECK:STDOUT:   %Class.1: %Class.type = struct_value () [template]
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT:   %Class.2: type = class_type @Class, @Class(%T) [symbolic]
// CHECK:STDOUT:   %T.patt: type = symbolic_binding_pattern T, 0 [symbolic]
// CHECK:STDOUT:   %.type: type = generic_class_type @.1 [template]
// CHECK:STDOUT:   %.2: %.type = struct_value () [template]
// CHECK:STDOUT:   %.3: type = class_type @.1, @.1(%U) [symbolic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %import_ref.1: %Class.type = import_ref Main//foo, inst+9, loaded [template = constants.%Class.1]
// CHECK:STDOUT:   %import_ref.2 = import_ref Main//foo, inst+21, unloaded
// CHECK:STDOUT:   %import_ref.3 = import_ref Main//foo, inst+71, unloaded
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/operators
// CHECK:STDOUT:     import Core//prelude/types
// CHECK:STDOUT:     import Core//prelude/operators/arithmetic
// CHECK:STDOUT:     import Core//prelude/operators/as
// CHECK:STDOUT:     import Core//prelude/operators/index
// CHECK:STDOUT:     import Core//prelude/operators/bitwise
// CHECK:STDOUT:     import Core//prelude/operators/comparison
// CHECK:STDOUT:     import Core//prelude/types/bool
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Class = imports.%import_ref.1
// CHECK:STDOUT:     .CompleteClass = imports.%import_ref.2
// CHECK:STDOUT:     .F = imports.%import_ref.3
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %default.import.loc2_6.1 = import <invalid>
// CHECK:STDOUT:   %default.import.loc2_6.2 = import <invalid>
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %.decl: %.type = class_decl @.1 [template = constants.%.2] {
// CHECK:STDOUT:     %U.patt.loc12_13.1: type = symbolic_binding_pattern U, 0 [symbolic = %U.patt.loc12_13.2 (constants.%U.patt)]
// CHECK:STDOUT:     %U.param_patt: type = value_param_pattern %U.patt.loc12_13.1, runtime_param<invalid> [symbolic = %U.patt.loc12_13.2 (constants.%U.patt)]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %U.param: type = value_param runtime_param<invalid>
// CHECK:STDOUT:     %U.loc12_13.1: type = bind_symbolic_name U, 0, %U.param [symbolic = %U.loc12_13.2 (constants.%U)]
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic class @Class(constants.%T: type) {
// CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT:   %T.patt: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt (constants.%T.patt)]
// CHECK:STDOUT:
// CHECK:STDOUT:   class;
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic class @.1(%U.loc12_13.1: type) {
// CHECK:STDOUT:   %U.loc12_13.2: type = bind_symbolic_name U, 0 [symbolic = %U.loc12_13.2 (constants.%U)]
// CHECK:STDOUT:   %U.patt.loc12_13.2: type = symbolic_binding_pattern U, 0 [symbolic = %U.patt.loc12_13.2 (constants.%U.patt)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:
// CHECK:STDOUT:   class {
// CHECK:STDOUT:     %T.ref: <error> = name_ref T, <error> [template = <error>]
// CHECK:STDOUT:     %.loc16: <error> = field_decl x, element0 [template]
// CHECK:STDOUT:     %.loc17: <witness> = complete_type_witness <error> [template = <error>]
// CHECK:STDOUT:
// CHECK:STDOUT:   !members:
// CHECK:STDOUT:     .Self = constants.%.3
// CHECK:STDOUT:     .x = %.loc16
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Class(constants.%T) {
// CHECK:STDOUT:   %T => constants.%T
// CHECK:STDOUT:   %T.patt => constants.%T
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @.1(constants.%U) {
// CHECK:STDOUT:   %U.loc12_13.2 => constants.%U
// CHECK:STDOUT:   %U.patt.loc12_13.2 => constants.%U
// CHECK:STDOUT: }
// CHECK:STDOUT: