Chuanqi Xu 255b2d8162 Add test for issue 60486
Close https://github.com/llvm/llvm-project/issues/60486.

When I look back at this problem again, it only appears if we specify it
with `-fmodule-file=<BMI-path>`. And it disappears after we specify it
as `-fmodule-file=<module-name>=<BMI-path>`. Since we want to depreacate
the form `-fmodule-file=<BMI-path>`, we can think the problem goes
away.
2023-02-24 14:32:05 +08:00

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// Address: https://github.com/llvm/llvm-project/issues/60486
//
// RUN: rm -rf %t
// RUN: mkdir -p %t
// RUN: split-file %s %t
//
// RUN: %clang_cc1 -std=c++20 %t/a.cppm -emit-module-interface -o %t/a.pcm
// RUN: %clang_cc1 -std=c++20 -fmodule-file=a=%t/a.pcm %t/b.cppm -fsyntax-only -verify
//--- foo.h
template<typename = void>
struct s {
};
template<typename>
concept c = requires { s{}; };
//--- a.cppm
module;
#include "foo.h"
export module a;
//--- b.cppm
// expected-no-diagnostics
module;
#include "foo.h"
export module b;
import a;