Another test for 148243

non-constant-folded-switch containing a constant-folded switch.

llvm-svn: 148247

clang/test/CodeGenCXX/switch-case-folding-1.cpp

@@ -0,0 +1,22 @@
+// RUN: %clang_cc1 %s -emit-llvm-only
+// CHECK that we don't crash.
+
+int test(int val){
+	int x = 12;
+	// Make sure we don't crash when constant folding the case 4
+	// statement due to the case 5 statement contained in the do loop
+	switch (val) {
+		case 4: do { 
+                     switch (6)  {
+                       case 6: {
+                         case 5: x++;
+                       };
+                     };
+                } while (x < 100);
+	}
+	return x;
+}
+
+int main(void) {
+  return test(4);
+}