| // RUN: %clangxx_asan -O0 -mllvm -asan-instrument-dynamic-allocas %s -o %t |
| // RUN: %clangxx_asan -O3 -mllvm -asan-instrument-dynamic-allocas %s -o %t |
| // RUN: %run %t 2>&1 |
| // |
| |
| #include "sanitizer/asan_interface.h" |
| #include <assert.h> |
| |
| __attribute__((noinline)) void foo(int index, int len) { |
| volatile char str[len] __attribute__((aligned(32))); |
| assert(!(reinterpret_cast<long>(str) & 31L)); |
| char *q = (char *)__asan_region_is_poisoned((char *)str, 64); |
| assert(q && ((q - str) == index)); |
| } |
| |
| int main(int argc, char **argv) { |
| for (int i = 1; i < 33; ++i) |
| foo(i, i); |
| |
| for (int i = 1; i < 33; ++i) |
| foo(i, i); |
| |
| return 0; |
| } |