New testcase for a bug fixed in the GCC SSA construction algorithm:
http://gcc.gnu.org/ml/gcc/2002-09/msg00760.html
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3817 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CFrontend/2002-09-18-UnionProblem.c b/test/CFrontend/2002-09-18-UnionProblem.c
new file mode 100644
index 0000000..e914e4f
--- /dev/null
+++ b/test/CFrontend/2002-09-18-UnionProblem.c
@@ -0,0 +1,24 @@
+
+struct DWstruct {
+ char high, low;
+};
+
+typedef union {
+ struct DWstruct s;
+ short ll;
+} DWunion;
+
+short __udivmodhi4 (char n1, char bm) {
+ DWunion rr;
+
+ if (bm == 0)
+ {
+ rr.s.high = n1;
+ }
+ else
+ {
+ rr.s.high = bm;
+ }
+
+ return rr.ll;
+}