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carbon-lang/toolchain/check/testdata/interface/fail_add_member_outside_definition.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/none.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/interface/fail_add_member_outside_definition.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interface/fail_add_member_outside_definition.carbon
interface Interface { }
// CHECK:STDERR: fail_add_member_outside_definition.carbon:[[@LINE+4]]:14: error: out-of-line declaration requires a declaration in scoped entity [QualifiedDeclOutsideScopeEntity]
// CHECK:STDERR: fn Interface.F() {}
// CHECK:STDERR: ^
// CHECK:STDERR:
fn Interface.F() {}
// Nesting interfaces like this is not valid, but make sure we don't crash.
interface Outer {
interface Inner {
// CHECK:STDERR: fail_add_member_outside_definition.carbon:[[@LINE+4]]:8: error: name `Outer` not found [NameNotFound]
// CHECK:STDERR: fn Outer.F();
// CHECK:STDERR: ^~~~~
// CHECK:STDERR:
fn Outer.F();
}
// CHECK:STDERR: fail_add_member_outside_definition.carbon:[[@LINE+4]]:12: error: out-of-line declaration requires a declaration in scoped entity [QualifiedDeclOutsideScopeEntity]
// CHECK:STDERR: fn Inner.F();
// CHECK:STDERR: ^
// CHECK:STDERR:
fn Inner.F();
}
// CHECK:STDOUT: --- fail_add_member_outside_definition.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Interface.type: type = facet_type <@Interface> [concrete]
// CHECK:STDOUT: %Self.7a0: %Interface.type = symbolic_binding Self, 0 [symbolic]
// CHECK:STDOUT: %Interface.WithSelf.F.type: type = fn_type @Interface.WithSelf.F, @Interface.WithSelf(%Self.7a0) [symbolic]
// CHECK:STDOUT: %Interface.WithSelf.F: %Interface.WithSelf.F.type = struct_value () [symbolic]
// CHECK:STDOUT: %Outer.type: type = facet_type <@Outer> [concrete]
// CHECK:STDOUT: %Self.807: %Outer.type = symbolic_binding Self, 0 [symbolic]
// CHECK:STDOUT: %Inner.type: type = facet_type <@Inner, @Inner(%Self.807)> [symbolic]
// CHECK:STDOUT: %Self.f28: %Inner.type = symbolic_binding Self, 1 [symbolic]
// CHECK:STDOUT: %Inner.WithSelf.F.type.b8907a.1: type = fn_type @Inner.WithSelf.F.loc30, @Inner.WithSelf(%Self.807, %Self.f28) [symbolic]
// CHECK:STDOUT: %Inner.WithSelf.F.6fb3c6.1: %Inner.WithSelf.F.type.b8907a.1 = struct_value () [symbolic]
// CHECK:STDOUT: %Inner.WithSelf.F.type.b8907a.2: type = fn_type @Inner.WithSelf.F.loc36, @Inner.WithSelf(%Self.807, %Self.f28) [symbolic]
// CHECK:STDOUT: %Inner.WithSelf.F.6fb3c6.2: %Inner.WithSelf.F.type.b8907a.2 = struct_value () [symbolic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Interface = %Interface.decl
// CHECK:STDOUT: .Outer = %Outer.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Interface.decl: type = interface_decl @Interface [concrete = constants.%Interface.type] {} {}
// CHECK:STDOUT: %Interface.WithSelf.F.decl: %Interface.WithSelf.F.type = fn_decl @Interface.WithSelf.F [symbolic = constants.%Interface.WithSelf.F] {} {}
// CHECK:STDOUT: %Outer.decl: type = interface_decl @Outer [concrete = constants.%Outer.type] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Interface {
// CHECK:STDOUT: %Self: %Interface.type = symbolic_binding Self, 0 [symbolic = constants.%Self.7a0]
// CHECK:STDOUT: %Interface.WithSelf.decl = interface_with_self_decl @Interface [concrete]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: .F = file.%Interface.WithSelf.F.decl
// CHECK:STDOUT: witness = ()
// CHECK:STDOUT:
// CHECK:STDOUT: !requires:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Outer {
// CHECK:STDOUT: %Self: %Outer.type = symbolic_binding Self, 0 [symbolic = constants.%Self.807]
// CHECK:STDOUT: %Outer.WithSelf.decl = interface_with_self_decl @Outer [concrete]
// CHECK:STDOUT:
// CHECK:STDOUT: !with Self:
// CHECK:STDOUT: %Inner.decl: type = interface_decl @Inner [symbolic = @Outer.WithSelf.%Inner.type (constants.%Inner.type)] {} {}
// CHECK:STDOUT: %Inner.WithSelf.F.decl: @Outer.WithSelf.%Inner.WithSelf.F.type (%Inner.WithSelf.F.type.b8907a.2) = fn_decl @Inner.WithSelf.F.loc36 [symbolic = @Outer.WithSelf.%Inner.WithSelf.F (constants.%Inner.WithSelf.F.6fb3c6.2)] {} {}
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: .Inner = @Outer.WithSelf.%Inner.decl
// CHECK:STDOUT: witness = ()
// CHECK:STDOUT:
// CHECK:STDOUT: !requires:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic interface @Inner(@Outer.%Self: %Outer.type) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Self.loc25_19.2: %Outer.type = symbolic_binding Self, 0 [symbolic = %Self.loc25_19.2 (constants.%Self.807)]
// CHECK:STDOUT: %Inner.type: type = facet_type <@Inner, @Inner(%Self.loc25_19.2)> [symbolic = %Inner.type (constants.%Inner.type)]
// CHECK:STDOUT: %Self.loc25_19.3: @Inner.%Inner.type (%Inner.type) = symbolic_binding Self, 1 [symbolic = %Self.loc25_19.3 (constants.%Self.f28)]
// CHECK:STDOUT:
// CHECK:STDOUT: interface {
// CHECK:STDOUT: %Self.loc25_19.1: @Inner.%Inner.type (%Inner.type) = symbolic_binding Self, 1 [symbolic = %Self.loc25_19.3 (constants.%Self.f28)]
// CHECK:STDOUT: %Inner.WithSelf.decl = interface_with_self_decl @Inner [concrete]
// CHECK:STDOUT:
// CHECK:STDOUT: !with Self:
// CHECK:STDOUT: %Inner.WithSelf.F.decl: @Inner.WithSelf.%Inner.WithSelf.F.type (%Inner.WithSelf.F.type.b8907a.1) = fn_decl @Inner.WithSelf.F.loc30 [symbolic = @Inner.WithSelf.%Inner.WithSelf.F (constants.%Inner.WithSelf.F.6fb3c6.1)] {} {}
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self.loc25_19.1
// CHECK:STDOUT: .F = @Outer.WithSelf.%Inner.WithSelf.F.decl
// CHECK:STDOUT: witness = ()
// CHECK:STDOUT:
// CHECK:STDOUT: !requires:
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @Interface.WithSelf.F(@Interface.%Self: %Interface.type) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:
// CHECK:STDOUT: fn() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @Inner.WithSelf.F.loc30(@Outer.%Self: %Outer.type, @Inner.%Self.loc25_19.1: @Inner.%Inner.type (%Inner.type)) {
// CHECK:STDOUT: fn();
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @Inner.WithSelf.F.loc36(@Outer.%Self: %Outer.type, @Inner.%Self.loc25_19.1: @Inner.%Inner.type (%Inner.type)) {
// CHECK:STDOUT: fn();
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Interface.WithSelf(constants.%Self.7a0) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Interface.WithSelf.F(constants.%Self.7a0) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Outer.WithSelf(constants.%Self.807) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Inner(constants.%Self.807) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Self.loc25_19.2 => constants.%Self.807
// CHECK:STDOUT: %Inner.type => constants.%Inner.type
// CHECK:STDOUT: %Self.loc25_19.3 => constants.%Self.f28
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Inner.WithSelf(constants.%Self.807, constants.%Self.f28) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Inner.WithSelf.F.loc30(constants.%Self.807, constants.%Self.f28) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Inner.WithSelf.F.loc36(constants.%Self.807, constants.%Self.f28) {}
// CHECK:STDOUT:
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