1 // RUN: %clangxx_asan -O0 -mllvm -asan-instrument-dynamic-allocas %s -o %t 2 // RUN: %clangxx_asan -O3 -mllvm -asan-instrument-dynamic-allocas %s -o %t 3 // RUN: %run %t 2>&1 4 // 5 6 #include "sanitizer/asan_interface.h" 7 #include <assert.h> 8 #include <stdint.h> 9 foo(int index,int len)10__attribute__((noinline)) void foo(int index, int len) { 11 volatile char str[len] __attribute__((aligned(32))); 12 assert(!(reinterpret_cast<uintptr_t>(str) & 31L)); 13 char *q = (char *)__asan_region_is_poisoned((char *)str, 64); 14 assert(q && ((q - str) == index)); 15 } 16 main(int argc,char ** argv)17int main(int argc, char **argv) { 18 for (int i = 1; i < 33; ++i) 19 foo(i, i); 20 21 for (int i = 1; i < 33; ++i) 22 foo(i, i); 23 24 return 0; 25 } 26