diff --git a/test/FrontendC/2008-09-03-WeakAlias.c b/test/FrontendC/2008-09-03-WeakAlias.c
new file mode 100644
index 00000000000..2e5f3dae8a0
--- /dev/null
+++ b/test/FrontendC/2008-09-03-WeakAlias.c
@@ -0,0 +1,9 @@
+// RUN: %llvmgcc -S -O1 -o - %s | grep icmp
+// PR1678
+extern void B (void);
+static __typeof(B) A __attribute__ ((__weakref__("B")));
+int active (void)
+{
+  static void *const p = __extension__ (void *) &A;
+  return p != 0;
+}