From: Vassil Vassilev <v.g.vassilev@gmail.com>
Date: Tue, 24 Oct 2017 14:52:35 +0000 (+0000)
Subject: [modules] Add a regression test for merging anon decls in extern C contexts.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=91c475757be55ddd2948197478cff7c4335efdf0;p=clang

[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
---

diff --git a/test/Modules/merge-anon-in-extern_c.cpp b/test/Modules/merge-anon-in-extern_c.cpp
new file mode 100644
index 0000000000..1443251f7e
--- /dev/null
+++ b/test/Modules/merge-anon-in-extern_c.cpp
@@ -0,0 +1,19 @@
+// 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;
+