1// RUN: %clang_cc1 %s -emit-llvm-only
2// CHECK that we don't crash.
3
4int main(void){
5	int x = 12;
6	// Make sure we don't crash when constant folding the case 4
7	// statement due to the case 5 statement contained in the do loop
8	switch (4) {
9		case 4: do {
10                     switch (6)  {
11                       case 6: {
12                         case 5: x++;
13                       };
14                     };
15                } while (x < 100);
16	}
17	return x;
18}
19