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 // REQUIRES: compiler-rt-optimized 7 8 #include <string.h> 9 int main(int argc, char **argv) { 10 char a1[] = {argc, 2, 3, 4}; 11 char a2[] = {1, 2*argc, 3, 4}; 12 int res = memcmp(a1, a2, 4 + argc); // BOOM 13 // CHECK: AddressSanitizer: stack-buffer-overflow 14 // CHECK: {{#0.*memcmp}} 15 // CHECK: {{#1.*main}} 16 return res; 17 } 18