1 files changed, 22 insertions, 0 deletions
diff --git a/clang/test/CodeGen/2002-07-30-UnionTest.c b/clang/test/CodeGen/2002-07-30-UnionTest.c
new file mode 100644
index 0000000..d5b92e7
--- /dev/null
+++ b/clang/test/CodeGen/2002-07-30-UnionTest.c
@@ -0,0 +1,22 @@
+// RUN: %clang_cc1 -emit-llvm %s  -o /dev/null
+
+union X;
+struct Empty {};
+union F {};
+union Q { union Q *X; };
+union X {
+  char C;
+  int A, Z;
+  long long B;
+  void *b1;
+  struct { int A; long long Z; } Q;
+};
+
+union X foo(union X A) {
+  A.C = 123;
+  A.A = 39249;
+  //A.B = (void*)123040123321;
+  A.B = 12301230123123LL;
+  A.Z = 1;
+  return A;
+}