1// RUN: %clang -fsanitize=alignment %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
2
3#include <stdlib.h>
4
5int main(int argc, char *argv[]) {
6
7 char *ptr = (char *)malloc(size: 2);
8
9 void *t = __builtin_assume_aligned(ptr + 1, 0x8000);
10 (void)t;
11 // CHECK: ubsan: alignment-assumption by 0x{{[[:xdigit:]]+$}}
12 // CHECK-NOT: alignment-assumption
13
14 free(ptr: ptr);
15
16 return 0;
17}
18

source code of compiler-rt/test/ubsan_minimal/TestCases/alignment-assumption.c