diff --git a/test/FrontendC/2011-03-02-UnionInitializer.c b/test/FrontendC/2011-03-02-UnionInitializer.c
new file mode 100644
index 00000000000..a5ea75e08c0
--- /dev/null
+++ b/test/FrontendC/2011-03-02-UnionInitializer.c
@@ -0,0 +1,2 @@
+// RUN: %llvmgcc -S %s
+union { int :3; double f; } u17_017 = {17.17};