1// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
2// RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s
3// RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s
4// RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
5
6#include <string.h>
7int main(int argc, char **argv) {
8  static char XXX[10];
9  static char YYY[10];
10  static char ZZZ[10];
11  memset(XXX, 0, 10);
12  memset(YYY, 0, 10);
13  memset(ZZZ, 0, 10);
14  int res = YYY[argc * 10];  // BOOOM
15  // CHECK: {{READ of size 1 at 0x.* thread T0}}
16  // CHECK: {{    #0 0x.* in main .*global-overflow.cc:}}[[@LINE-2]]
17  // CHECK: {{0x.* is located 0 bytes to the right of global variable}}
18  // CHECK:   {{.*YYY.* of size 10}}
19  res += XXX[argc] + ZZZ[argc];
20  return res;
21}
22