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83ca5b71e32b9af4245d58785d4d30bdce4d6ead
carbon-lang/toolchain/check/testdata/function/definition/default_values.carbon
T
Lucile Rose Nihlen 83ca5b71e3 Move default value inst ids to a dedicated value store. (#7810) 
Per #7737 we move the default value `InstId` storage from
a block in the `SemIR::Function` data structure to a
`SemIR::File` scoped `ValueStore`.

Moves the default value consistency checking to the general
merge argument pattern matching logic, which changes the
error message issued to the generic one.
2026-09-21 18:27:01 +00:00

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// 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/int.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/function/definition/default_values.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/function/definition/default_values.carbon
//
// --- fail_defaults_different_values_redecl.carbon
library "[[@TEST_NAME]]";
fn F(x: i32 = 0, y: i32 = 10);
// CHECK:STDERR: fail_defaults_different_values_redecl.carbon:[[@LINE+7]]:25: error: redeclaration differs at parameter 2 [RedeclParamDiffers]
// CHECK:STDERR: fn F(unused x: i32 = 0, unused y: i32 = 22) { }
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_defaults_different_values_redecl.carbon:[[@LINE-4]]:18: note: previous declaration's corresponding parameter here [RedeclParamPrevious]
// CHECK:STDERR: fn F(x: i32 = 0, y: i32 = 10);
// CHECK:STDERR: ^~~~~~~~~~~
// CHECK:STDERR:
fn F(unused x: i32 = 0, unused y: i32 = 22) { }
// --- imported_default_presence_mismatch.carbon
library "[[@TEST_NAME]]";
fn F(x: i32 = 0, y: i32 = 1, z: i32 = 2);
// --- fail_imported_default_presence_mismatch.impl.carbon
impl library "[[@TEST_NAME]]";
// CHECK:STDERR: fail_imported_default_presence_mismatch.impl.carbon:[[@LINE+8]]:13: error: redeclaration differs at parameter 1 [RedeclParamDiffers]
// CHECK:STDERR: fn F(unused x: i32, unused y: i32 = _, unused z: i32 = _) { }
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR: fail_imported_default_presence_mismatch.impl.carbon:[[@LINE-5]]:1: in import [InImport]
// CHECK:STDERR: imported_default_presence_mismatch.carbon:3:6: note: previous declaration's corresponding parameter here [RedeclParamPrevious]
// CHECK:STDERR: fn F(x: i32 = 0, y: i32 = 1, z: i32 = 2);
// CHECK:STDERR: ^~~~~~~~~~
// CHECK:STDERR:
fn F(unused x: i32, unused y: i32 = _, unused z: i32 = _) { }
// --- imported_defaults_different_values.carbon
library "[[@TEST_NAME]]";
fn F(x: i32 = 0, y: i32 = 10);
// --- fail_imported_defaults_different_values.impl.carbon
impl library "[[@TEST_NAME]]";
// CHECK:STDERR: fail_imported_defaults_different_values.impl.carbon:[[@LINE+8]]:25: error: redeclaration differs at parameter 2 [RedeclParamDiffers]
// CHECK:STDERR: fn F(unused x: i32 = 0, unused y: i32 = 22) { }
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_imported_defaults_different_values.impl.carbon:[[@LINE-5]]:1: in import [InImport]
// CHECK:STDERR: imported_defaults_different_values.carbon:3:18: note: previous declaration's corresponding parameter here [RedeclParamPrevious]
// CHECK:STDERR: fn F(x: i32 = 0, y: i32 = 10);
// CHECK:STDERR: ^~~~~~~~~~~
// CHECK:STDERR:
fn F(unused x: i32 = 0, unused y: i32 = 22) { }
// --- redecl.carbon
library "[[@TEST_NAME]]";
fn F(x: i32 = 0) -> i32;
fn G(x: i32 = 0) -> i32;
//@dump-sem-ir-begin
fn F(x: i32 = 0) -> i32 { return x; }
fn G(x: i32 = _) -> i32 { return x; }
//@dump-sem-ir-end
// --- imported_repeated_defaults.carbon
library "[[@TEST_NAME]]";
fn F(x: i32 = 0) -> i32;
// --- imported_repeated_defaults.impl.carbon
impl library "[[@TEST_NAME]]";
//@dump-sem-ir-begin
fn F(x: i32 = 0) -> i32 { return x; }
//@dump-sem-ir-end
// --- imported_elided_defaults_in_def.carbon
library "[[@TEST_NAME]]";
fn F(x: i32 = 0) -> i32;
// --- imported_elided_defaults_in_def.impl.carbon
impl library "[[@TEST_NAME]]";
//@dump-sem-ir-begin
fn F(x: i32 = _) -> i32 { return x; }
//@dump-sem-ir-end
// CHECK:STDOUT: --- redecl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %N: Core.IntLiteral = symbolic_binding N, 0 [symbolic]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %pattern_type.6b6: type = pattern_type %i32 [concrete]
// CHECK:STDOUT: %x.param_patt: %pattern_type.6b6 = value_param_pattern [concrete]
// CHECK:STDOUT: %x.patt: %pattern_type.6b6 = wrapper_binding_pattern x, %x.param_patt [concrete]
// CHECK:STDOUT: %int_0.5c6: Core.IntLiteral = int_value 0 [concrete]
// CHECK:STDOUT: %.795f: Core.Form = init_form %i32 [concrete]
// CHECK:STDOUT: %return.param_patt.a9a: %pattern_type.6b6 = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt.e1b: %pattern_type.6b6 = return_slot_pattern %return.param_patt.a9a, %i32 [concrete]
// CHECK:STDOUT: %ImplicitAs.type.914: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT: %To: Core.IntLiteral = symbolic_binding To, 0 [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e74: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.845: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e74 = struct_value () [symbolic]
// CHECK:STDOUT: %ImplicitAs.impl_witness.a2a: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.1aa, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.2ba: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.e39: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.2ba = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.914 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.a2a) [concrete]
// CHECK:STDOUT: %ImplicitAs.WithSelf.Convert.type.8eb: type = fn_type @ImplicitAs.WithSelf.Convert, @ImplicitAs.WithSelf(%i32, %ImplicitAs.facet) [concrete]
// CHECK:STDOUT: %.b7a: type = fn_type_with_self_type %ImplicitAs.WithSelf.Convert.type.8eb, %ImplicitAs.facet [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound: <bound method> = bound_method %int_0.5c6, %Core.IntLiteral.as.ImplicitAs.impl.Convert.e39 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.e39, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %int_0.5c6, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_0.3c0: %i32 = int_value 0 [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT: %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT: %.d3f: %pattern_type.6b6 = default_value_pattern %x.patt, @F.%.loc7_15.2 [concrete]
// CHECK:STDOUT: %Copy.type: type = facet_type <@Copy> [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.ac8: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%N) [symbolic]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.5e0: %Int.as.Copy.impl.Op.type.ac8 = struct_value () [symbolic]
// CHECK:STDOUT: %Copy.impl_witness.b51: <witness> = impl_witness imports.%Copy.impl_witness_table.8d2, @Int.as.Copy.impl(%int_32) [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.3f6: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%int_32) [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.4f6: %Int.as.Copy.impl.Op.type.3f6 = struct_value () [concrete]
// CHECK:STDOUT: %Copy.facet: %Copy.type = facet_value %i32, (%Copy.impl_witness.b51) [concrete]
// CHECK:STDOUT: %Copy.WithSelf.Op.type.381: type = fn_type @Copy.WithSelf.Op, @Copy.WithSelf(%Copy.facet) [concrete]
// CHECK:STDOUT: %.737: type = fn_type_with_self_type %Copy.WithSelf.Op.type.381, %Copy.facet [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.4f6, @Int.as.Copy.impl.Op(%int_32) [concrete]
// CHECK:STDOUT: %.d49: <unspecified_value> = unspecified_value [concrete]
// CHECK:STDOUT: %.5aa: %pattern_type.6b6 = default_value_pattern %x.patt, <unspecified> [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core.import_ref.edf: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e74) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert (constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.845)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.1aa = impl_witness_table (%Core.import_ref.edf), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT: %Core.import_ref.cd6: @Int.as.Copy.impl.%Int.as.Copy.impl.Op.type (%Int.as.Copy.impl.Op.type.ac8) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Int.as.Copy.impl.%Int.as.Copy.impl.Op (constants.%Int.as.Copy.impl.Op.5e0)]
// CHECK:STDOUT: %Copy.impl_witness_table.8d2 = impl_witness_table (%Core.import_ref.cd6), @Int.as.Copy.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: %F.decl.loc7: %F.type = fn_decl @F [concrete = constants.%F] {
// CHECK:STDOUT: %x.param_patt: %pattern_type.6b6 = value_param_pattern [concrete = constants.%x.param_patt]
// CHECK:STDOUT: %x.patt: %pattern_type.6b6 = wrapper_binding_pattern x, %x.param_patt [concrete = constants.%x.patt]
// CHECK:STDOUT: %.loc7_13: %pattern_type.6b6 = default_value_pattern %x.patt, %.loc7_15.2 [concrete = constants.%.d3f]
// CHECK:STDOUT: %return.param_patt: %pattern_type.6b6 = out_param_pattern [concrete = constants.%return.param_patt.a9a]
// CHECK:STDOUT: %return.patt: %pattern_type.6b6 = return_slot_pattern %return.param_patt, %i32.loc7_21 [concrete = constants.%return.patt.e1b]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %int_0.loc7: Core.IntLiteral = int_value 0 [concrete = constants.%int_0.5c6]
// CHECK:STDOUT: %i32.loc7_21: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %.loc7_21: Core.Form = init_form %i32.loc7_21 [concrete = constants.%.795f]
// CHECK:STDOUT: %x.param.loc7: %i32 = value_param call_param0
// CHECK:STDOUT: %i32.loc7_9: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %x.loc7: %i32 = wrapper_binding x, %x.param.loc7
// CHECK:STDOUT: %impl.elem0.loc7_15: %.b7a = impl_witness_access constants.%ImplicitAs.impl_witness.a2a, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.e39]
// CHECK:STDOUT: %bound_method.loc7_15.1: <bound method> = bound_method %int_0.loc7, %impl.elem0.loc7_15 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound]
// CHECK:STDOUT: %specific_fn.loc7_15: <specific function> = specific_function %impl.elem0.loc7_15, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc7_15.2: <bound method> = bound_method %int_0.loc7, %specific_fn.loc7_15 [concrete = constants.%bound_method]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc7: init %i32 = call %bound_method.loc7_15.2(%int_0.loc7) [concrete = constants.%int_0.3c0]
// CHECK:STDOUT: %.loc7_15.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc7 [concrete = constants.%int_0.3c0]
// CHECK:STDOUT: %.loc7_15.2: %i32 = converted %int_0.loc7, %.loc7_15.1 [concrete = constants.%int_0.3c0]
// CHECK:STDOUT: %return.param.loc7: ref %i32 = out_param call_param1
// CHECK:STDOUT: %return.loc7: ref %i32 = return_slot %return.param.loc7
// CHECK:STDOUT: }
// CHECK:STDOUT: %G.decl.loc8: %G.type = fn_decl @G [concrete = constants.%G] {
// CHECK:STDOUT: %x.param_patt: %pattern_type.6b6 = value_param_pattern [concrete = constants.%x.param_patt]
// CHECK:STDOUT: %x.patt: %pattern_type.6b6 = wrapper_binding_pattern x, %x.param_patt [concrete = constants.%x.patt]
// CHECK:STDOUT: %.loc8_13: %pattern_type.6b6 = default_value_pattern %x.patt, <unspecified> [concrete = constants.%.5aa]
// CHECK:STDOUT: %return.param_patt: %pattern_type.6b6 = out_param_pattern [concrete = constants.%return.param_patt.a9a]
// CHECK:STDOUT: %return.patt: %pattern_type.6b6 = return_slot_pattern %return.param_patt, %i32.loc8_21 [concrete = constants.%return.patt.e1b]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc8_15: <unspecified_value> = unspecified_value [concrete = constants.%.d49]
// CHECK:STDOUT: %i32.loc8_21: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %.loc8_21: Core.Form = init_form %i32.loc8_21 [concrete = constants.%.795f]
// CHECK:STDOUT: %x.param.loc8: %i32 = value_param call_param0
// CHECK:STDOUT: %i32.loc8_9: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %x.loc8: %i32 = wrapper_binding x, %x.param.loc8
// CHECK:STDOUT: %return.param.loc8: ref %i32 = out_param call_param1
// CHECK:STDOUT: %return.loc8: ref %i32 = return_slot %return.param.loc8
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%x.param.loc7: %i32) -> out %return.param.loc7: %i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %x.ref: %i32 = name_ref x, %x.loc7
// CHECK:STDOUT: %impl.elem0.loc7_34: %.737 = impl_witness_access constants.%Copy.impl_witness.b51, element0 [concrete = constants.%Int.as.Copy.impl.Op.4f6]
// CHECK:STDOUT: %bound_method.loc7_34.1: <bound method> = bound_method %x.ref, %impl.elem0.loc7_34
// CHECK:STDOUT: %specific_fn.loc7_34: <specific function> = specific_function %impl.elem0.loc7_34, @Int.as.Copy.impl.Op(constants.%int_32) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc7_34.2: <bound method> = bound_method %x.ref, %specific_fn.loc7_34
// CHECK:STDOUT: %Int.as.Copy.impl.Op.call: init %i32 = call %bound_method.loc7_34.2(%x.ref)
// CHECK:STDOUT: return %Int.as.Copy.impl.Op.call
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G(%x.param.loc8: %i32) -> out %return.param.loc8: %i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %x.ref: %i32 = name_ref x, %x.loc8
// CHECK:STDOUT: %impl.elem0.loc8: %.737 = impl_witness_access constants.%Copy.impl_witness.b51, element0 [concrete = constants.%Int.as.Copy.impl.Op.4f6]
// CHECK:STDOUT: %bound_method.loc8_34.1: <bound method> = bound_method %x.ref, %impl.elem0.loc8
// CHECK:STDOUT: %specific_fn.loc8: <specific function> = specific_function %impl.elem0.loc8, @Int.as.Copy.impl.Op(constants.%int_32) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc8_34.2: <bound method> = bound_method %x.ref, %specific_fn.loc8
// CHECK:STDOUT: %Int.as.Copy.impl.Op.call: init %i32 = call %bound_method.loc8_34.2(%x.ref)
// CHECK:STDOUT: return %Int.as.Copy.impl.Op.call
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- imported_repeated_defaults.impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %To: Core.IntLiteral = symbolic_binding To, 0 [symbolic]
// CHECK:STDOUT: %N: Core.IntLiteral = symbolic_binding N, 0 [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e74: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.845: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e74 = struct_value () [symbolic]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %pattern_type.6b6: type = pattern_type %i32 [concrete]
// CHECK:STDOUT: %x.param_patt: %pattern_type.6b6 = value_param_pattern [concrete]
// CHECK:STDOUT: %x.patt: %pattern_type.6b6 = wrapper_binding_pattern x, %x.param_patt [concrete]
// CHECK:STDOUT: %int_0.5c6: Core.IntLiteral = int_value 0 [concrete]
// CHECK:STDOUT: %.3d1: %pattern_type.6b6 = default_value_pattern %x.patt, @F.%.loc4_15.2 [concrete]
// CHECK:STDOUT: %.795f: Core.Form = init_form %i32 [concrete]
// CHECK:STDOUT: %return.param_patt.a9a: %pattern_type.6b6 = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt.e1b: %pattern_type.6b6 = return_slot_pattern %return.param_patt.a9a, %i32 [concrete]
// CHECK:STDOUT: %ImplicitAs.type.914: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT: %ImplicitAs.impl_witness.a2a: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.1aa, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.2ba: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.e39: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.2ba = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.914 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.a2a) [concrete]
// CHECK:STDOUT: %ImplicitAs.WithSelf.Convert.type.8eb: type = fn_type @ImplicitAs.WithSelf.Convert, @ImplicitAs.WithSelf(%i32, %ImplicitAs.facet) [concrete]
// CHECK:STDOUT: %.b7a: type = fn_type_with_self_type %ImplicitAs.WithSelf.Convert.type.8eb, %ImplicitAs.facet [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound: <bound method> = bound_method %int_0.5c6, %Core.IntLiteral.as.ImplicitAs.impl.Convert.e39 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.e39, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %int_0.5c6, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_0.3c0: %i32 = int_value 0 [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %Copy.type: type = facet_type <@Copy> [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.ac8: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%N) [symbolic]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.5e0: %Int.as.Copy.impl.Op.type.ac8 = struct_value () [symbolic]
// CHECK:STDOUT: %Copy.impl_witness.b51: <witness> = impl_witness imports.%Copy.impl_witness_table.8d2, @Int.as.Copy.impl(%int_32) [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.3f6: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%int_32) [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.4f6: %Int.as.Copy.impl.Op.type.3f6 = struct_value () [concrete]
// CHECK:STDOUT: %Copy.facet: %Copy.type = facet_value %i32, (%Copy.impl_witness.b51) [concrete]
// CHECK:STDOUT: %Copy.WithSelf.Op.type.381: type = fn_type @Copy.WithSelf.Op, @Copy.WithSelf(%Copy.facet) [concrete]
// CHECK:STDOUT: %.737: type = fn_type_with_self_type %Copy.WithSelf.Op.type.381, %Copy.facet [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.4f6, @Int.as.Copy.impl.Op(%int_32) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.import_ref.717: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e74) = import_ref Main//imported_repeated_defaults, inst{{[0-9A-F]+}} [indirect], loaded [symbolic = @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert (constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.845)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.1aa = impl_witness_table (%Main.import_ref.717), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT: %Core.import_ref.cd6: @Int.as.Copy.impl.%Int.as.Copy.impl.Op.type (%Int.as.Copy.impl.Op.type.ac8) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Int.as.Copy.impl.%Int.as.Copy.impl.Op (constants.%Int.as.Copy.impl.Op.5e0)]
// CHECK:STDOUT: %Copy.impl_witness_table.8d2 = impl_witness_table (%Core.import_ref.cd6), @Int.as.Copy.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
// CHECK:STDOUT: %x.param_patt: %pattern_type.6b6 = value_param_pattern [concrete = constants.%x.param_patt]
// CHECK:STDOUT: %x.patt: %pattern_type.6b6 = wrapper_binding_pattern x, %x.param_patt [concrete = constants.%x.patt]
// CHECK:STDOUT: %.loc4_13: %pattern_type.6b6 = default_value_pattern %x.patt, %.loc4_15.2 [concrete = constants.%.3d1]
// CHECK:STDOUT: %return.param_patt: %pattern_type.6b6 = out_param_pattern [concrete = constants.%return.param_patt.a9a]
// CHECK:STDOUT: %return.patt: %pattern_type.6b6 = return_slot_pattern %return.param_patt, %i32.loc4_21 [concrete = constants.%return.patt.e1b]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [concrete = constants.%int_0.5c6]
// CHECK:STDOUT: %i32.loc4_21: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %.loc4_21: Core.Form = init_form %i32.loc4_21 [concrete = constants.%.795f]
// CHECK:STDOUT: %x.param: %i32 = value_param call_param0
// CHECK:STDOUT: %i32.loc4_9: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %x: %i32 = wrapper_binding x, %x.param
// CHECK:STDOUT: %impl.elem0.loc4_15: %.b7a = impl_witness_access constants.%ImplicitAs.impl_witness.a2a, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.e39]
// CHECK:STDOUT: %bound_method.loc4_15.1: <bound method> = bound_method %int_0, %impl.elem0.loc4_15 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound]
// CHECK:STDOUT: %specific_fn.loc4_15: <specific function> = specific_function %impl.elem0.loc4_15, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc4_15.2: <bound method> = bound_method %int_0, %specific_fn.loc4_15 [concrete = constants.%bound_method]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call: init %i32 = call %bound_method.loc4_15.2(%int_0) [concrete = constants.%int_0.3c0]
// CHECK:STDOUT: %.loc4_15.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call [concrete = constants.%int_0.3c0]
// CHECK:STDOUT: %.loc4_15.2: %i32 = converted %int_0, %.loc4_15.1 [concrete = constants.%int_0.3c0]
// CHECK:STDOUT: %return.param: ref %i32 = out_param call_param1
// CHECK:STDOUT: %return: ref %i32 = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%x.param: %i32) -> out %return.param: %i32 [from "imported_repeated_defaults.carbon"] {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %x.ref: %i32 = name_ref x, %x
// CHECK:STDOUT: %impl.elem0.loc4_34: %.737 = impl_witness_access constants.%Copy.impl_witness.b51, element0 [concrete = constants.%Int.as.Copy.impl.Op.4f6]
// CHECK:STDOUT: %bound_method.loc4_34.1: <bound method> = bound_method %x.ref, %impl.elem0.loc4_34
// CHECK:STDOUT: %specific_fn.loc4_34: <specific function> = specific_function %impl.elem0.loc4_34, @Int.as.Copy.impl.Op(constants.%int_32) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc4_34.2: <bound method> = bound_method %x.ref, %specific_fn.loc4_34
// CHECK:STDOUT: %Int.as.Copy.impl.Op.call: init %i32 = call %bound_method.loc4_34.2(%x.ref)
// CHECK:STDOUT: return %Int.as.Copy.impl.Op.call
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- imported_elided_defaults_in_def.impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %N: Core.IntLiteral = symbolic_binding N, 0 [symbolic]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %pattern_type.6b6: type = pattern_type %i32 [concrete]
// CHECK:STDOUT: %x.param_patt: %pattern_type.6b6 = value_param_pattern [concrete]
// CHECK:STDOUT: %x.patt: %pattern_type.6b6 = wrapper_binding_pattern x, %x.param_patt [concrete]
// CHECK:STDOUT: %.d49: <unspecified_value> = unspecified_value [concrete]
// CHECK:STDOUT: %.c5e: %pattern_type.6b6 = default_value_pattern %x.patt, <unspecified> [concrete]
// CHECK:STDOUT: %.795f: Core.Form = init_form %i32 [concrete]
// CHECK:STDOUT: %return.param_patt.a9a: %pattern_type.6b6 = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt.e1b: %pattern_type.6b6 = return_slot_pattern %return.param_patt.a9a, %i32 [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %Copy.type: type = facet_type <@Copy> [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.ac8: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%N) [symbolic]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.5e0: %Int.as.Copy.impl.Op.type.ac8 = struct_value () [symbolic]
// CHECK:STDOUT: %Copy.impl_witness.b51: <witness> = impl_witness imports.%Copy.impl_witness_table.8d2, @Int.as.Copy.impl(%int_32) [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.3f6: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%int_32) [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.4f6: %Int.as.Copy.impl.Op.type.3f6 = struct_value () [concrete]
// CHECK:STDOUT: %Copy.facet: %Copy.type = facet_value %i32, (%Copy.impl_witness.b51) [concrete]
// CHECK:STDOUT: %Copy.WithSelf.Op.type.381: type = fn_type @Copy.WithSelf.Op, @Copy.WithSelf(%Copy.facet) [concrete]
// CHECK:STDOUT: %.737: type = fn_type_with_self_type %Copy.WithSelf.Op.type.381, %Copy.facet [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.4f6, @Int.as.Copy.impl.Op(%int_32) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core.import_ref.cd6: @Int.as.Copy.impl.%Int.as.Copy.impl.Op.type (%Int.as.Copy.impl.Op.type.ac8) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Int.as.Copy.impl.%Int.as.Copy.impl.Op (constants.%Int.as.Copy.impl.Op.5e0)]
// CHECK:STDOUT: %Copy.impl_witness_table.8d2 = impl_witness_table (%Core.import_ref.cd6), @Int.as.Copy.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
// CHECK:STDOUT: %x.param_patt: %pattern_type.6b6 = value_param_pattern [concrete = constants.%x.param_patt]
// CHECK:STDOUT: %x.patt: %pattern_type.6b6 = wrapper_binding_pattern x, %x.param_patt [concrete = constants.%x.patt]
// CHECK:STDOUT: %.loc4_13: %pattern_type.6b6 = default_value_pattern %x.patt, <unspecified> [concrete = constants.%.c5e]
// CHECK:STDOUT: %return.param_patt: %pattern_type.6b6 = out_param_pattern [concrete = constants.%return.param_patt.a9a]
// CHECK:STDOUT: %return.patt: %pattern_type.6b6 = return_slot_pattern %return.param_patt, %i32.loc4_21 [concrete = constants.%return.patt.e1b]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc4_15: <unspecified_value> = unspecified_value [concrete = constants.%.d49]
// CHECK:STDOUT: %i32.loc4_21: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %.loc4_21: Core.Form = init_form %i32.loc4_21 [concrete = constants.%.795f]
// CHECK:STDOUT: %x.param: %i32 = value_param call_param0
// CHECK:STDOUT: %i32.loc4_9: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %x: %i32 = wrapper_binding x, %x.param
// CHECK:STDOUT: %return.param: ref %i32 = out_param call_param1
// CHECK:STDOUT: %return: ref %i32 = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%x.param: %i32) -> out %return.param: %i32 [from "imported_elided_defaults_in_def.carbon"] {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %x.ref: %i32 = name_ref x, %x
// CHECK:STDOUT: %impl.elem0: %.737 = impl_witness_access constants.%Copy.impl_witness.b51, element0 [concrete = constants.%Int.as.Copy.impl.Op.4f6]
// CHECK:STDOUT: %bound_method.loc4_34.1: <bound method> = bound_method %x.ref, %impl.elem0
// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0, @Int.as.Copy.impl.Op(constants.%int_32) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc4_34.2: <bound method> = bound_method %x.ref, %specific_fn
// CHECK:STDOUT: %Int.as.Copy.impl.Op.call: init %i32 = call %bound_method.loc4_34.2(%x.ref)
// CHECK:STDOUT: return %Int.as.Copy.impl.Op.call
// CHECK:STDOUT: }
// CHECK:STDOUT:
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