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carbon-lang/toolchain/check/testdata/operators/builtin/fail_unimplemented_op.carbon
T
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/full.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/operators/builtin/fail_unimplemented_op.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/operators/builtin/fail_unimplemented_op.carbon
fn Main() -> i32 {
// CHECK:STDERR: fail_unimplemented_op.carbon:[[@LINE+4]]:10: error: cannot access member of interface `Core.AddWith(Core.IntLiteral)` in type `{}` that does not implement that interface [MissingImplInMemberAccess]
// CHECK:STDERR: return {} + 34;
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
return {} + 34;
}
// CHECK:STDOUT: --- fail_unimplemented_op.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: %Int.generic: %Int.type = struct_value () [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %.70c: Core.Form = init_form %i32 [concrete]
// CHECK:STDOUT: %pattern_type.c6b: type = pattern_type %i32 [concrete]
// CHECK:STDOUT: %Main.type: type = fn_type @Main [concrete]
// CHECK:STDOUT: %Main: %Main.type = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %empty_struct: %empty_struct_type = struct_value () [concrete]
// CHECK:STDOUT: %int_34: Core.IntLiteral = int_value 34 [concrete]
// CHECK:STDOUT: %AddWith.type.0ce: type = generic_interface_type @AddWith [concrete]
// CHECK:STDOUT: %AddWith.generic: %AddWith.type.0ce = 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: .AddWith = %Core.AddWith
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.Int: %Int.type = import_ref Core//prelude/types/int, Int, loaded [concrete = constants.%Int.generic]
// CHECK:STDOUT: %Core.AddWith: %AddWith.type.0ce = import_ref Core//prelude/operators/arithmetic, AddWith, loaded [concrete = constants.%AddWith.generic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Main = %Main.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Main.decl: %Main.type = fn_decl @Main [concrete = constants.%Main] {
// 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: %.loc15: 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 @Main() -> out %return.param: %i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc20: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
// CHECK:STDOUT: %int_34: Core.IntLiteral = int_value 34 [concrete = constants.%int_34]
// CHECK:STDOUT: return <error>
// CHECK:STDOUT: }
// CHECK:STDOUT: