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carbon-lang/toolchain/check/testdata/struct/nested_struct_in_place.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/nested_struct_in_place.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/struct/nested_struct_in_place.carbon
fn F() -> (i32, i32, i32);
fn G() {
var unused v: {.a: (i32, i32, i32), .b: (i32, i32, i32)} = {.a = F(), .b = F()};
}
// CHECK:STDOUT: --- nested_struct_in_place.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: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %tuple.type.ff9: type = tuple_type (type, type, type) [concrete]
// CHECK:STDOUT: %tuple: %tuple.type.ff9 = tuple_value (%i32, %i32, %i32) [concrete]
// CHECK:STDOUT: %tuple.type.a64: type = tuple_type (%i32, %i32, %i32) [concrete]
// CHECK:STDOUT: %.f83: Core.Form = init_form %tuple.type.a64 [concrete]
// CHECK:STDOUT: %pattern_type.3ff: type = pattern_type %tuple.type.a64 [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: %struct_type.a.b.e2a: type = struct_type {.a: %tuple.type.a64, .b: %tuple.type.a64} [concrete]
// CHECK:STDOUT: %i32.builtin: type = int_type signed, %int_32 [concrete]
// CHECK:STDOUT: %pattern_type.893: type = pattern_type %struct_type.a.b.e2a [concrete]
// CHECK:STDOUT: %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT: %Destroy.Op.type.af7ec0.4: type = fn_type @Destroy.Op.loc18_3.4 [concrete]
// CHECK:STDOUT: %Destroy.Op.1dc86d.4: %Destroy.Op.type.af7ec0.4 = 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: .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.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: .F = %F.decl
// CHECK:STDOUT: .G = %G.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
// CHECK:STDOUT: %return.param_patt: %pattern_type.3ff = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.3ff = return_slot_pattern %return.param_patt, %.loc15_25.2 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %i32.loc15_12: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %i32.loc15_17: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %i32.loc15_22: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %.loc15_25.1: %tuple.type.ff9 = tuple_literal (%i32.loc15_12, %i32.loc15_17, %i32.loc15_22) [concrete = constants.%tuple]
// CHECK:STDOUT: %.loc15_25.2: type = converted %.loc15_25.1, constants.%tuple.type.a64 [concrete = constants.%tuple.type.a64]
// CHECK:STDOUT: %.loc15_25.3: Core.Form = init_form %.loc15_25.2 [concrete = constants.%.f83]
// CHECK:STDOUT: %return.param: ref %tuple.type.a64 = out_param call_param0
// CHECK:STDOUT: %return: ref %tuple.type.a64 = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() -> out %return.param: %tuple.type.a64;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %v.patt: %pattern_type.893 = ref_binding_pattern v [concrete]
// CHECK:STDOUT: %v.var_patt: %pattern_type.893 = var_pattern %v.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %v.var: ref %struct_type.a.b.e2a = var %v.var_patt
// CHECK:STDOUT: %F.ref.loc18_68: %F.type = name_ref F, file.%F.decl [concrete = constants.%F]
// CHECK:STDOUT: %.loc18_81.1: ref %tuple.type.a64 = struct_access %v.var, element0
// CHECK:STDOUT: %F.call.loc18_70: init %tuple.type.a64 to %.loc18_81.1 = call %F.ref.loc18_68()
// CHECK:STDOUT: %F.ref.loc18_78: %F.type = name_ref F, file.%F.decl [concrete = constants.%F]
// CHECK:STDOUT: %.loc18_81.2: ref %tuple.type.a64 = struct_access %v.var, element1
// CHECK:STDOUT: %F.call.loc18_80: init %tuple.type.a64 to %.loc18_81.2 = call %F.ref.loc18_78()
// CHECK:STDOUT: %.loc18_81.3: %struct_type.a.b.e2a = struct_literal (%F.call.loc18_70, %F.call.loc18_80)
// CHECK:STDOUT: %.loc18_81.4: init %struct_type.a.b.e2a to %v.var = struct_init (%F.call.loc18_70, %F.call.loc18_80)
// CHECK:STDOUT: %.loc18_3: init %struct_type.a.b.e2a = converted %.loc18_81.3, %.loc18_81.4
// CHECK:STDOUT: assign %v.var, %.loc18_3
// CHECK:STDOUT: %.loc18_58: type = splice_block %struct_type.a.b [concrete = constants.%struct_type.a.b.e2a] {
// CHECK:STDOUT: %i32.loc18_23: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %i32.loc18_28: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %i32.loc18_33: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %.loc18_36.1: %tuple.type.ff9 = tuple_literal (%i32.loc18_23, %i32.loc18_28, %i32.loc18_33) [concrete = constants.%tuple]
// CHECK:STDOUT: %.loc18_36.2: type = converted %.loc18_36.1, constants.%tuple.type.a64 [concrete = constants.%tuple.type.a64]
// CHECK:STDOUT: %i32.loc18_44: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %i32.loc18_49: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %i32.loc18_54: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %.loc18_57.1: %tuple.type.ff9 = tuple_literal (%i32.loc18_44, %i32.loc18_49, %i32.loc18_54) [concrete = constants.%tuple]
// CHECK:STDOUT: %.loc18_57.2: type = converted %.loc18_57.1, constants.%tuple.type.a64 [concrete = constants.%tuple.type.a64]
// CHECK:STDOUT: %struct_type.a.b: type = struct_type {.a: %tuple.type.a64, .b: %tuple.type.a64} [concrete = constants.%struct_type.a.b.e2a]
// CHECK:STDOUT: }
// CHECK:STDOUT: %v: ref %struct_type.a.b.e2a = ref_binding v, %v.var
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %v.var, constants.%Destroy.Op.1dc86d.4
// CHECK:STDOUT: %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%v.var)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc18_3.1(%self.param: ref %i32.builtin) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc18_3.2(%self.param: ref %i32) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc18_3.3(%self.param: ref %tuple.type.a64) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc18_3.4(%self.param: ref %struct_type.a.b.e2a) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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