1 // Check that sanitizer prints the faulting instruction bytes on
2 // dump_instruction_bytes=1
3 
4 // RUN: %clangxx  %s -o %t
5 // RUN: %env_tool_opts=dump_instruction_bytes=1 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-DUMP
6 // RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NODUMP
7 
8 // REQUIRES: x86-target-arch
9 
10 int main() {
11 #if defined(__x86_64__)
12   asm("movq $0, %rax");
13   asm("movl $0xcafebabe, 0x0(%rax)");
14 #elif defined(i386)
15   asm("movl $0, %eax");
16   asm("movl $0xcafebabe, 0x0(%eax)");
17 #endif
18   // CHECK-DUMP: First 16 instruction bytes at pc: c7 00 be ba fe ca
19   // CHECK-NODUMP-NOT: First 16 instruction bytes
20   return 0;
21 }
22