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Richard Smith
f31e1685fd
Instead of exporting a class or namespace each time a new C++ name lookup discovers it, track that we have exported the entity on its name scope, and if a new name lookup finds the same entity, produce the same clang declaration.
31 lines
928 B
Plaintext
31 lines
928 B
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/none.carbon
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interop/cpp/namespace/export.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/namespace/export.carbon
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// --- alias_identity.carbon
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import Cpp;
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namespace M;
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alias N = M;
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class M.C {}
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inline Cpp '''
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// OK, valid redeclaration: M and N are the same namespace.
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namespace A = Carbon::M;
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namespace A = Carbon::N;
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// Valid: M::C and N::C are the same class.
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Carbon::M::C *pmc;
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Carbon::N::C *pnc = pmc;
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''';
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