1 files changed, 25 insertions, 0 deletions
diff --git a/test/Modules/redecls.m b/test/Modules/redecls.m
new file mode 100644
index 000000000000..fa643b90ac8a
--- /dev/null
+++ b/test/Modules/redecls.m
@@ -0,0 +1,25 @@
+// RUN: rm -rf %t.mcp
+// RUN: %clang_cc1 -fmodules %s -emit-pch -o %t1.pch -fmodules-cache-path=%t.mcp -I %S/Inputs/redecls
+// RUN: %clang_cc1 -fmodules %s -emit-pch -o %t2.pch -include-pch %t1.pch -fmodules-cache-path=%t.mcp -I %S/Inputs/redecls
+// RUN: %clang_cc1 -fmodules %s -fsyntax-only -include-pch %t2.pch -I %S/Inputs/redecls -fmodules-cache-path=%t.mcp -verify
+
+#ifndef HEADER1
+#define HEADER1
+
+@import a;
+
+#elif !defined(HEADER2)
+#define HEADER2
+
+@class AA;
+@import b;
+
+#else
+
+// rdar://13712705
+@interface SS : AA
+@end
+
+#warning parsed this
+#endif
+// expected-warning@-2{{parsed this}}