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carbon-lang/toolchain/check/testdata/interop/cpp/class/template.carbon
T
Richard Smith f9ab963bd6 Add a type_literal instruction to represent syntactic type literals. (#6781) 
This allows us to capture the location at which a type literal was used,
even in the cases where we don't otherwise need to create a new
instruction to represent the type such as for `char` or `str`.

The logic used to build the underlying type is now marked as desugaring.
For cases such as `iN`, this causes the call to `Core.Int` to no longer
be added as a dedicated IR instruction, and instead its constant value
is used directly as the value of the `type_literal`. This results in
this being on balance a reduction in the size of the IR.

This also fixes a crash in C++ interop when using a `char` literal as a
template argument. The crash was caused by the template argument not
having an associated location when mapping to a C++ location. See
changes to check/testdata/interop/cpp/template/type_param.carbon for an
example that used to crash before this change.

Update alias handling to allow an alias to point at any type literal,
reinstating support for aliases for type literals such as `bool` and
`i32` that had previously worked but stopped working when we
transitioned those types to being defined in the prelude. See changes to
toolchain/check/testdata/alias/builtins.carbon.

All the test changes other than the two mentioned above are mechanical
autoupdate changes switching to the new instruction.
2026-02-26 20:10:50 +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/interop/cpp/class/template.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/class/template.carbon
// --- class_template.h
struct Base {};
template<typename T> struct A : Base {
void f() const;
T n;
};
using Aint = A<int>;
using Along = A<long>;
// --- use_class_template.carbon
library "[[@TEST_NAME]]";
import Cpp library "class_template.h";
fn F(x: Cpp.Aint) -> i32 {
// Trigger instantiation through name lookup.
//@dump-sem-ir-begin
x.f();
return x.n;
//@dump-sem-ir-end
}
fn G(p: Cpp.Along*) -> Cpp.Base* {
// Trigger instantiation through type completion.
//@dump-sem-ir-begin
return p;
//@dump-sem-ir-end
}
// --- instantiation_error.h
template<typename T> struct X {
using type = typename T::member;
};
struct Y {
using member = int;
};
using XY = X<Y>;
using Xint = X<int>;
// --- fail_use_instantiation_error.carbon
library "[[@TEST_NAME]]";
import Cpp library "instantiation_error.h";
//@dump-sem-ir-begin
var x: Cpp.XY.r#type = 0;
// CHECK:STDERR: fail_use_instantiation_error.carbon:[[@LINE+12]]:8: error: member access into incomplete class `Cpp.X` [QualifiedExprInIncompleteClassScope]
// CHECK:STDERR: var y: Cpp.Xint.r#type = 0;
// CHECK:STDERR: ^~~~~~~~~~~~~
// CHECK:STDERR: fail_use_instantiation_error.carbon:[[@LINE-8]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./instantiation_error.h:3:25: note: type 'int' cannot be used prior to '::' because it has no members [CppInteropParseError]
// CHECK:STDERR: 3 | using type = typename T::member;
// CHECK:STDERR: | ^
// CHECK:STDERR: fail_use_instantiation_error.carbon:[[@LINE-12]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./instantiation_error.h:2:29: note: in instantiation of template class 'X<int>' requested here [CppInteropParseNote]
// CHECK:STDERR: 2 | template<typename T> struct X {
// CHECK:STDERR: | ^
// CHECK:STDERR:
var y: Cpp.Xint.r#type = 0;
//@dump-sem-ir-end
// CHECK:STDOUT: --- use_class_template.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %A.0bedf0.1: type = class_type @A.1 [concrete]
// 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: %Base: type = class_type @Base [concrete]
// CHECK:STDOUT: %A.elem.c3f: type = unbound_element_type %A.0bedf0.1, %i32 [concrete]
// CHECK:STDOUT: %A.f.cpp_overload_set.type: type = cpp_overload_set_type @A.f.cpp_overload_set [concrete]
// CHECK:STDOUT: %A.f.cpp_overload_set.value: %A.f.cpp_overload_set.type = cpp_overload_set_value @A.f.cpp_overload_set [concrete]
// CHECK:STDOUT: %f__carbon_thunk.type: type = fn_type @f__carbon_thunk [concrete]
// CHECK:STDOUT: %f__carbon_thunk: %f__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %Copy.type: type = facet_type <@Copy> [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.824: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%N) [symbolic]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.9b9: %Int.as.Copy.impl.Op.type.824 = struct_value () [symbolic]
// CHECK:STDOUT: %T.67d: type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.type.2d4: type = fn_type @ptr.as.Copy.impl.Op, @ptr.as.Copy.impl(%T.67d) [symbolic]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.74e: %ptr.as.Copy.impl.Op.type.2d4 = struct_value () [symbolic]
// CHECK:STDOUT: %Copy.impl_witness.f17: <witness> = impl_witness imports.%Copy.impl_witness_table.e76, @Int.as.Copy.impl(%int_32) [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.546: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%int_32) [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.664: %Int.as.Copy.impl.Op.type.546 = struct_value () [concrete]
// CHECK:STDOUT: %Copy.facet.de4: %Copy.type = facet_value %i32, (%Copy.impl_witness.f17) [concrete]
// CHECK:STDOUT: %Copy.WithSelf.Op.type.081: type = fn_type @Copy.WithSelf.Op, @Copy(%Copy.facet.de4) [concrete]
// CHECK:STDOUT: %.8e2: type = fn_type_with_self_type %Copy.WithSelf.Op.type.081, %Copy.facet.de4 [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.664, @Int.as.Copy.impl.Op(%int_32) [concrete]
// CHECK:STDOUT: %A.0bedf0.2: type = class_type @A.2 [concrete]
// CHECK:STDOUT: %ptr.270: type = ptr_type %A.0bedf0.2 [concrete]
// CHECK:STDOUT: %ptr.fb2: type = ptr_type %Base [concrete]
// CHECK:STDOUT: %Copy.impl_witness.33f: <witness> = impl_witness imports.%Copy.impl_witness_table.c3a, @ptr.as.Copy.impl(%Base) [concrete]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.type.d24: type = fn_type @ptr.as.Copy.impl.Op, @ptr.as.Copy.impl(%Base) [concrete]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.dae: %ptr.as.Copy.impl.Op.type.d24 = struct_value () [concrete]
// CHECK:STDOUT: %Copy.facet.855: %Copy.type = facet_value %ptr.fb2, (%Copy.impl_witness.33f) [concrete]
// CHECK:STDOUT: %Copy.WithSelf.Op.type.326: type = fn_type @Copy.WithSelf.Op, @Copy(%Copy.facet.855) [concrete]
// CHECK:STDOUT: %.107: type = fn_type_with_self_type %Copy.WithSelf.Op.type.326, %Copy.facet.855 [concrete]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %ptr.as.Copy.impl.Op.dae, @ptr.as.Copy.impl.Op(%Base) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %A.f.cpp_overload_set.value: %A.f.cpp_overload_set.type = cpp_overload_set_value @A.f.cpp_overload_set [concrete = constants.%A.f.cpp_overload_set.value]
// CHECK:STDOUT: %f__carbon_thunk.decl: %f__carbon_thunk.type = fn_decl @f__carbon_thunk [concrete = constants.%f__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import_ref.18d: @Int.as.Copy.impl.%Int.as.Copy.impl.Op.type (%Int.as.Copy.impl.Op.type.824) = 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.9b9)]
// CHECK:STDOUT: %Copy.impl_witness_table.e76 = impl_witness_table (%Core.import_ref.18d), @Int.as.Copy.impl [concrete]
// CHECK:STDOUT: %Core.import_ref.203: @ptr.as.Copy.impl.%ptr.as.Copy.impl.Op.type (%ptr.as.Copy.impl.Op.type.2d4) = import_ref Core//prelude/parts/copy, loc{{\d+_\d+}}, loaded [symbolic = @ptr.as.Copy.impl.%ptr.as.Copy.impl.Op (constants.%ptr.as.Copy.impl.Op.74e)]
// CHECK:STDOUT: %Copy.impl_witness_table.c3a = impl_witness_table (%Core.import_ref.203), @ptr.as.Copy.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%x.param: %A.0bedf0.1) -> out %return.param: %i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %x.ref.loc9: %A.0bedf0.1 = name_ref x, %x
// CHECK:STDOUT: %f.ref: %A.f.cpp_overload_set.type = name_ref f, imports.%A.f.cpp_overload_set.value [concrete = constants.%A.f.cpp_overload_set.value]
// CHECK:STDOUT: %bound_method.loc9: <bound method> = bound_method %x.ref.loc9, %f.ref
// CHECK:STDOUT: %f__carbon_thunk.call: init %empty_tuple.type = call imports.%f__carbon_thunk.decl(%x.ref.loc9)
// CHECK:STDOUT: %x.ref.loc10: %A.0bedf0.1 = name_ref x, %x
// CHECK:STDOUT: %n.ref: %A.elem.c3f = name_ref n, @A.1.%.2 [concrete = @A.1.%.2]
// CHECK:STDOUT: %.loc10_11.1: ref %i32 = class_element_access %x.ref.loc10, element1
// CHECK:STDOUT: %.loc10_11.2: %i32 = acquire_value %.loc10_11.1
// CHECK:STDOUT: %impl.elem0: %.8e2 = impl_witness_access constants.%Copy.impl_witness.f17, element0 [concrete = constants.%Int.as.Copy.impl.Op.664]
// CHECK:STDOUT: %bound_method.loc10_11.1: <bound method> = bound_method %.loc10_11.2, %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.loc10_11.2: <bound method> = bound_method %.loc10_11.2, %specific_fn
// CHECK:STDOUT: %Int.as.Copy.impl.Op.call: init %i32 = call %bound_method.loc10_11.2(%.loc10_11.2)
// CHECK:STDOUT: return %Int.as.Copy.impl.Op.call
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G(%p.param: %ptr.270) -> out %return.param: %ptr.fb2 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %p.ref: %ptr.270 = name_ref p, %p
// CHECK:STDOUT: %.loc17_11.1: ref %A.0bedf0.2 = deref %p.ref
// CHECK:STDOUT: %.loc17_11.2: ref %Base = class_element_access %.loc17_11.1, element0
// CHECK:STDOUT: %addr: %ptr.fb2 = addr_of %.loc17_11.2
// CHECK:STDOUT: %.loc17_11.3: %ptr.fb2 = converted %p.ref, %addr
// CHECK:STDOUT: %impl.elem0: %.107 = impl_witness_access constants.%Copy.impl_witness.33f, element0 [concrete = constants.%ptr.as.Copy.impl.Op.dae]
// CHECK:STDOUT: %bound_method.loc17_11.1: <bound method> = bound_method %.loc17_11.3, %impl.elem0
// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0, @ptr.as.Copy.impl.Op(constants.%Base) [concrete = constants.%ptr.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc17_11.2: <bound method> = bound_method %.loc17_11.3, %specific_fn
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.call: init %ptr.fb2 = call %bound_method.loc17_11.2(%.loc17_11.3)
// CHECK:STDOUT: return %ptr.as.Copy.impl.Op.call
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_use_instantiation_error.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %X.32d59e.1: type = class_type @X.1 [concrete]
// 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.7ce: type = pattern_type %i32 [concrete]
// CHECK:STDOUT: %int_0.5c6: Core.IntLiteral = int_value 0 [concrete]
// CHECK:STDOUT: %ImplicitAs.type.e8c: 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.4e6: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.3c2: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.4e6 = struct_value () [symbolic]
// CHECK:STDOUT: %ImplicitAs.impl_witness.6bc: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.74f, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e0d: 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.0b5: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e0d = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.e8c = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.6bc) [concrete]
// CHECK:STDOUT: %ImplicitAs.WithSelf.Convert.type.b37: type = fn_type @ImplicitAs.WithSelf.Convert, @ImplicitAs(%i32, %ImplicitAs.facet) [concrete]
// CHECK:STDOUT: %.545: type = fn_type_with_self_type %ImplicitAs.WithSelf.Convert.type.b37, %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.0b5 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5, @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_0.6a9: %i32 = int_value 0 [concrete]
// CHECK:STDOUT: %X.32d59e.2: type = class_type @X.2 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .XY = %X.decl.dec4cb.1
// CHECK:STDOUT: .Xint = %X.decl.dec4cb.2
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %X.decl.dec4cb.1: type = class_decl @X.1 [concrete = constants.%X.32d59e.1] {} {}
// CHECK:STDOUT: %Core.import_ref.42d: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.4e6) = 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.3c2)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.74f = impl_witness_table (%Core.import_ref.42d), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT: %X.decl.dec4cb.2: type = class_decl @X.2 [concrete = constants.%X.32d59e.2] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %x.patt: %pattern_type.7ce = ref_binding_pattern x [concrete]
// CHECK:STDOUT: %x.var_patt: %pattern_type.7ce = var_pattern %x.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %x.var: ref %i32 = var %x.var_patt [concrete]
// CHECK:STDOUT: %.loc7: type = splice_block %type.ref.loc7 [concrete = constants.%i32] {
// CHECK:STDOUT: %Cpp.ref.loc7: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %XY.ref: type = name_ref XY, imports.%X.decl.dec4cb.1 [concrete = constants.%X.32d59e.1]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %type.ref.loc7: type = name_ref r#type, %i32.4 [concrete = constants.%i32]
// CHECK:STDOUT: }
// CHECK:STDOUT: %x: ref %i32 = ref_binding x, %x.var [concrete = %x.var]
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %y.patt: %pattern_type.7ce = ref_binding_pattern y [concrete]
// CHECK:STDOUT: %y.var_patt: %pattern_type.7ce = var_pattern %y.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %y.var: ref %i32 = var %y.var_patt [concrete]
// CHECK:STDOUT: %.loc21: type = splice_block %type.ref.loc21 [concrete = constants.%i32] {
// CHECK:STDOUT: %Cpp.ref.loc21: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %Xint.ref: type = name_ref Xint, imports.%X.decl.dec4cb.2 [concrete = constants.%X.32d59e.2]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %type.ref.loc21: type = name_ref r#type, %i32.2 [concrete = constants.%i32]
// CHECK:STDOUT: }
// CHECK:STDOUT: %y: ref %i32 = ref_binding y, %y.var [concrete = %y.var]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %int_0.loc7: Core.IntLiteral = int_value 0 [concrete = constants.%int_0.5c6]
// CHECK:STDOUT: %impl.elem0.loc7: %.545 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %bound_method.loc7_1.1: <bound method> = bound_method %int_0.loc7, %impl.elem0.loc7 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound]
// CHECK:STDOUT: %specific_fn.loc7: <specific function> = specific_function %impl.elem0.loc7, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc7_1.2: <bound method> = bound_method %int_0.loc7, %specific_fn.loc7 [concrete = constants.%bound_method]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc7: init %i32 = call %bound_method.loc7_1.2(%int_0.loc7) [concrete = constants.%int_0.6a9]
// CHECK:STDOUT: %.loc7: init %i32 = converted %int_0.loc7, %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc7 [concrete = constants.%int_0.6a9]
// CHECK:STDOUT: assign file.%x.var, %.loc7
// CHECK:STDOUT: %int_0.loc21: Core.IntLiteral = int_value 0 [concrete = constants.%int_0.5c6]
// CHECK:STDOUT: %impl.elem0.loc21: %.545 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %bound_method.loc21_1.1: <bound method> = bound_method %int_0.loc21, %impl.elem0.loc21 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound]
// CHECK:STDOUT: %specific_fn.loc21: <specific function> = specific_function %impl.elem0.loc21, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc21_1.2: <bound method> = bound_method %int_0.loc21, %specific_fn.loc21 [concrete = constants.%bound_method]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc21: init %i32 = call %bound_method.loc21_1.2(%int_0.loc21) [concrete = constants.%int_0.6a9]
// CHECK:STDOUT: %.loc21: init %i32 = converted %int_0.loc21, %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc21 [concrete = constants.%int_0.6a9]
// CHECK:STDOUT: assign file.%y.var, %.loc21
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
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