1 // This file is distributed under the University of Illinois Open Source
2 // License. See LICENSE.TXT for details.
3 
4 // Test for alignment assumption failure.
5 
6 #include <assert.h>
7 #include <climits>
8 #include <cstddef>
9 #include <cstdint>
10 #include <cstdlib>
11 #include <iostream>
12 
13 static volatile int32_t Sink;
14 
15 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
16   assert(Data);
17   if (Size > 0 && Data[0] == 'H') {
18     Sink = 1;
19     if (Size > 1 && Data[1] == 'i') {
20       Sink = 2;
21       if (Size > 2 && Data[2] == '!') {
22         __builtin_assume_aligned(Data, 0x80000000);
23       }
24     }
25   }
26   return 0;
27 }
28