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carbon-lang/toolchain/check/testdata/struct/literal_member_access.carbon
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Richard Smith 05cc09daca Fix cross-package signature mismatches. (#7232) 
Fixes link failures when referencing a symbol involving a fingerprint
from a different package.

Previously we included the `Namespace`'s `import_id` as part of its
fingerprint, which caused local and imported namespaces to get different
fingerprints. We now store the `import_id` on the `NameScope` instead of
on the `Namespace` inst to avoid this problem.

Also, when we reach a package-level `NameScopeId`, consistently
fingerprint it as a (package name, library name) pair. Previously the
fingerprinting depended on whether it was imported or not, as an
imported `NameScopeId` had a parent scope (the current package). We need
to include the library name here so that private entities with the same
name in different libraries have different fingerprints.
2026-05-21 00:02:29 +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
// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
// EXTRA-ARGS: --dump-sem-ir-ranges=if-present
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/struct/literal_member_access.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/struct/literal_member_access.carbon
fn G() -> {.x: i32, .y: i32, .z: i32};
fn F() -> i32 {
return {.a = 1, .b = G(), .c = 3}.b.y;
}
// CHECK:STDOUT: --- literal_member_access.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %Int.type: type = generic_class_type @Int [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %Int.generic: %Int.type = struct_value () [concrete]
// CHECK:STDOUT: %N: Core.IntLiteral = symbolic_binding N, 0 [symbolic]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %struct_type.x.y.z: type = struct_type {.x: %i32, .y: %i32, .z: %i32} [concrete]
// CHECK:STDOUT: %.92d: Core.Form = init_form %struct_type.x.y.z [concrete]
// CHECK:STDOUT: %pattern_type.b79: type = pattern_type %struct_type.x.y.z [concrete]
// CHECK:STDOUT: %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT: %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT: %.70c: Core.Form = init_form %i32 [concrete]
// CHECK:STDOUT: %pattern_type.c6b: type = pattern_type %i32 [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %i32.builtin: type = int_type signed, %int_32 [concrete]
// CHECK:STDOUT: %int_1: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT: %int_3: Core.IntLiteral = int_value 3 [concrete]
// CHECK:STDOUT: %struct_type.a.b.c.f0e: type = struct_type {.a: Core.IntLiteral, .b: %struct_type.x.y.z, .c: Core.IntLiteral} [concrete]
// CHECK:STDOUT: %Copy.type: type = facet_type <@Copy> [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.b5d: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%N) [symbolic]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.c85: %Int.as.Copy.impl.Op.type.b5d = struct_value () [symbolic]
// CHECK:STDOUT: %Copy.impl_witness.32d: <witness> = impl_witness imports.%Copy.impl_witness_table.07a, @Int.as.Copy.impl(%int_32) [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.4a0: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%int_32) [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.c4a: %Int.as.Copy.impl.Op.type.4a0 = struct_value () [concrete]
// CHECK:STDOUT: %Copy.facet: %Copy.type = facet_value %i32, (%Copy.impl_witness.32d) [concrete]
// CHECK:STDOUT: %Copy.WithSelf.Op.type.afe: type = fn_type @Copy.WithSelf.Op, @Copy.WithSelf(%Copy.facet) [concrete]
// CHECK:STDOUT: %.a5f: type = fn_type_with_self_type %Copy.WithSelf.Op.type.afe, %Copy.facet [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.c4a, @Int.as.Copy.impl.Op(%int_32) [concrete]
// CHECK:STDOUT: %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT: %Destroy.Op.type.af7ec0.3: type = fn_type @Destroy.Op.loc18_26.3 [concrete]
// CHECK:STDOUT: %Destroy.Op.1dc86d.3: %Destroy.Op.type.af7ec0.3 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Int = %Core.Int
// CHECK:STDOUT: .Copy = %Core.Copy
// CHECK:STDOUT: .Destroy = %Core.Destroy
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.Int: %Int.type = import_ref Core//prelude/parts/int, Int, loaded [concrete = constants.%Int.generic]
// CHECK:STDOUT: %Core.Copy: type = import_ref Core//prelude/parts/copy, Copy, loaded [concrete = constants.%Copy.type]
// CHECK:STDOUT: %Core.import_ref.809: @Int.as.Copy.impl.%Int.as.Copy.impl.Op.type (%Int.as.Copy.impl.Op.type.b5d) = 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.c85)]
// CHECK:STDOUT: %Copy.impl_witness_table.07a = impl_witness_table (%Core.import_ref.809), @Int.as.Copy.impl [concrete]
// CHECK:STDOUT: %Core.Destroy: type = import_ref Core//prelude/parts/destroy, Destroy, loaded [concrete = constants.%Destroy.type]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .G = %G.decl
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {
// CHECK:STDOUT: %return.param_patt: %pattern_type.b79 = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.b79 = return_slot_pattern %return.param_patt, %struct_type.x.y.z [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %i32.loc15_16: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %i32.loc15_25: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %i32.loc15_34: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %struct_type.x.y.z: type = struct_type {.x: %i32, .y: %i32, .z: %i32} [concrete = constants.%struct_type.x.y.z]
// CHECK:STDOUT: %.loc15: Core.Form = init_form %struct_type.x.y.z [concrete = constants.%.92d]
// CHECK:STDOUT: %return.param: ref %struct_type.x.y.z = out_param call_param0
// CHECK:STDOUT: %return: ref %struct_type.x.y.z = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
// CHECK:STDOUT: %return.param_patt: %pattern_type.c6b = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.c6b = return_slot_pattern %return.param_patt, %i32 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %i32: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %.loc17: Core.Form = init_form %i32 [concrete = constants.%.70c]
// CHECK:STDOUT: %return.param: ref %i32 = out_param call_param0
// CHECK:STDOUT: %return: ref %i32 = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G() -> out %return.param: %struct_type.x.y.z;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() -> out %return.param: %i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1]
// CHECK:STDOUT: %G.ref: %G.type = name_ref G, file.%G.decl [concrete = constants.%G]
// CHECK:STDOUT: %.loc18_26.1: ref %struct_type.x.y.z = temporary_storage
// CHECK:STDOUT: %G.call: init %struct_type.x.y.z to %.loc18_26.1 = call %G.ref()
// CHECK:STDOUT: %int_3: Core.IntLiteral = int_value 3 [concrete = constants.%int_3]
// CHECK:STDOUT: %.loc18_35.1: %struct_type.a.b.c.f0e = struct_literal (%int_1, %G.call, %int_3)
// CHECK:STDOUT: %.loc18_26.2: ref %struct_type.x.y.z = temporary %.loc18_26.1, %G.call
// CHECK:STDOUT: %.loc18_26.3: ref %i32 = struct_access %.loc18_26.2, element0
// CHECK:STDOUT: %.loc18_26.4: %i32 = acquire_value %.loc18_26.3
// CHECK:STDOUT: %.loc18_26.5: ref %i32 = struct_access %.loc18_26.2, element1
// CHECK:STDOUT: %.loc18_26.6: %i32 = acquire_value %.loc18_26.5
// CHECK:STDOUT: %.loc18_26.7: ref %i32 = struct_access %.loc18_26.2, element2
// CHECK:STDOUT: %.loc18_26.8: %i32 = acquire_value %.loc18_26.7
// CHECK:STDOUT: %struct.loc18_26: %struct_type.x.y.z = struct_value (%.loc18_26.4, %.loc18_26.6, %.loc18_26.8)
// CHECK:STDOUT: %.loc18_35.2: %struct_type.x.y.z = converted %G.call, %struct.loc18_26
// CHECK:STDOUT: %struct.loc18_35: %struct_type.a.b.c.f0e = struct_value (%int_1, %.loc18_35.2, %int_3)
// CHECK:STDOUT: %.loc18_35.3: %struct_type.a.b.c.f0e = converted %.loc18_35.1, %struct.loc18_35
// CHECK:STDOUT: %.loc18_36: %struct_type.x.y.z = struct_access %.loc18_35.3, element1
// CHECK:STDOUT: %.loc18_38: %i32 = struct_access %.loc18_36, element1
// CHECK:STDOUT: %impl.elem0: %.a5f = impl_witness_access constants.%Copy.impl_witness.32d, element0 [concrete = constants.%Int.as.Copy.impl.Op.c4a]
// CHECK:STDOUT: %bound_method.loc18_38.1: <bound method> = bound_method %.loc18_38, %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.loc18_38.2: <bound method> = bound_method %.loc18_38, %specific_fn
// CHECK:STDOUT: %Int.as.Copy.impl.Op.call: init %i32 = call %bound_method.loc18_38.2(%.loc18_38)
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %.loc18_26.2, constants.%Destroy.Op.1dc86d.3
// CHECK:STDOUT: %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc18_26.2)
// CHECK:STDOUT: return %Int.as.Copy.impl.Op.call
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc18_26.1(%self.param: ref %i32.builtin) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc18_26.2(%self.param: ref %i32) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc18_26.3(%self.param: ref %struct_type.x.y.z) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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