diff --git a/clang/test/Sema/attr-alias.c b/clang/test/Sema/attr-alias.c
new file mode 100644
index 0000000..151052f
--- /dev/null
+++ b/clang/test/Sema/attr-alias.c
@@ -0,0 +1,8 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin  -fsyntax-only -verify %s
+
+void g() {}
+
+// It is important that the following string be in the error message. The gcc
+// testsuite looks for it to decide if a target supports aliases.
+
+void f() __attribute__((alias("g"))); //expected-error {{only weak aliases are supported}}