1// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
2// RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s
3// RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s
4// RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
5
6__attribute__((noinline))
7// FIXME: Static symbols don't show up in PDBs. We can remove this once we start
8// using DWARF.
9#ifndef _MSC_VER
10static
11#endif
12void NullDeref(int *ptr) {
13 // CHECK: ERROR: AddressSanitizer: {{SEGV|access-violation}} on unknown address
14 // CHECK: {{0x0*000.. .*pc 0x.*}}
15 ptr[10]++; // BOOM
16 // atos on Mac cannot extract the symbol name correctly. Also, on FreeBSD 9.2
17 // the demangling function rejects local names with 'L' in front of them.
18 // CHECK: {{ #0 0x.* in .*NullDeref.*null_deref.cpp}}
19}
20int main() {
21 NullDeref(ptr: (int*)0);
22 // CHECK: {{ #1 0x.* in main.*null_deref.cpp}}
23 // CHECK: AddressSanitizer can not provide additional info.
24}
25

source code of compiler-rt/test/asan/TestCases/null_deref.cpp