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