diff --git a/test/FrontendC/2008-11-02-WeakAlias.c b/test/FrontendC/2008-11-02-WeakAlias.c
new file mode 100644
index 00000000000..4bdc5c7bec9
--- /dev/null
+++ b/test/FrontendC/2008-11-02-WeakAlias.c
@@ -0,0 +1,5 @@
+// RUN: %llvmgcc -S -emit-llvm -o - %s | grep weak
+// PR2691
+
+void init_IRQ(void) __attribute__((weak, alias("native_init_IRQ")));
+void native_init_IRQ(void) {}
\ No newline at end of file