1 | // RUN: %clangxx -fsanitize=alignment %s -o %t |
2 | // RUN: %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NOTYPE |
3 | // RUN: %env_ubsan_opts=report_error_type=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TYPE |
4 | |
5 | #include <stdlib.h> |
6 | |
7 | int main(int argc, char* argv[]) { |
8 | char *ptr = (char *)malloc(size: 2); |
9 | |
10 | __builtin_assume_aligned(ptr + 1, 0x8000); |
11 | // CHECK-NOTYPE: SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior {{.*}}summary.cpp:[[@LINE-1]]:32 |
12 | // CHECK-TYPE: SUMMARY: UndefinedBehaviorSanitizer: alignment-assumption {{.*}}summary.cpp:[[@LINE-2]]:32 |
13 | free(ptr: ptr); |
14 | |
15 | return 0; |
16 | } |
17 | |