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[modules] Add a regression test for merging anon decls in extern C contexts. 

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@316444 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Vassil Vassilev 2017-10-24 14:52:35 +00:00
parent b4bdd6abd6
commit 91c475757b
1 changed files with 19 additions and 0 deletions
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19
test/Modules/merge-anon-in-extern_c.cpp Normal file
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// RUN: rm -rf %t
// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t -verify %s
// expected-no-diagnostics
#pragma clang module build sys_types
module sys_types {}
#pragma clang module contents
#pragma clang module begin sys_types
extern "C" {
typedef union { bool b; } pthread_mutex_t;
}
#pragma clang module end
#pragma clang module endbuild
typedef union { bool b; } pthread_mutex_t;
#pragma clang module import sys_types
const pthread_mutex_t *m;