Test case for r126672.  Radar 9055247.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126896 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/FrontendC/2011-03-02-UnionInitializer.c b/test/FrontendC/2011-03-02-UnionInitializer.c
new file mode 100644
index 0000000..a5ea75e
--- /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};