1// Test that use-after-return works with exceptions. 2// RUN: %clangxx_asan -O0 %s -o %t 3// RUN: %env_asan_opts=detect_stack_use_after_return=1 %run %t 4 5#include <stdio.h> 6 7volatile char *g; 8 9#ifndef FRAME_SIZE 10# define FRAME_SIZE 100 11#endif 12 13#ifndef NUM_ITER 14# define NUM_ITER 4000 15#endif 16 17#ifndef DO_THROW 18# define DO_THROW 1 19#endif 20 21void Func(int depth) { 22 char frame[FRAME_SIZE]; 23 g = &frame[0]; 24 if (depth) 25 Func(depth - 1); 26 else if (DO_THROW) 27 throw 1; 28} 29 30int main(int argc, char **argv) { 31 for (int i = 0; i < NUM_ITER; i++) { 32 try { 33 Func(argc * 100); 34 } catch(...) { 35 } 36 if ((i % (NUM_ITER / 10)) == 0) 37 fprintf(stderr, "done [%d]\n", i); 38 } 39 return 0; 40} 41