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, (linux && !android) || openbsd || freebsd || netbsd
7// XFAIL: darwin
8
9#include <string.h>
10int main(int argc, char **argv) {
11 char a1[] = {static_cast<char>(argc), 2, 3, 4};
12 char a2[] = {1, static_cast<char>(2 * argc), 3, 4};
13 int res = bcmp(s1: a1, s2: a2, n: 4 + argc); // BOOM
14 // CHECK: AddressSanitizer: stack-buffer-overflow
15 // CHECK: {{#[0-9]+ .*bcmp}}
16 // CHECK: {{#[0-9]+ .*main}}
17 return res;
18}
19

source code of compiler-rt/test/asan/TestCases/Posix/bcmp_test.cpp