// RUN: %clang_safestack %s -pthread -o %t // RUN: not --crash %run %t // Test that unsafe stacks are deallocated correctly on thread exit. #include #include #include enum { kBufferSize = (1 << 15) }; void *t1_start(void *ptr) { char buffer[kBufferSize]; return buffer; } int main(int argc, char **argv) { pthread_t t1; char *buffer = NULL; if (pthread_create(&t1, NULL, t1_start, NULL)) abort(); if (pthread_join(t1, &buffer)) abort(); // should segfault here memset(buffer, 0, kBufferSize); return 0; }