[llvm] r303311 - Attempt to pacify ASan and UBSan reports in CrashRecovery tests

[Vitaly Buka via llvm-commits]

Reverted with r303783, should work without it.

On Wed, May 17, 2017 at 3:40 PM, Reid Kleckner <rnk at google.com> wrote:

> Right, I discussed this with him. This should go away when that happens,
> because LLVM's signal handler will work out of the box. For now this
> disables ASan's signal handlers in the SupportTests binary.
>
> On Wed, May 17, 2017 at 3:38 PM, Kostya Serebryany <kcc at google.com> wrote:
>
>> FTR: Vitaly is planing to change the meaning/syntax/name of
>> allow_user_segv_handler=1
>>
>> On Wed, May 17, 2017 at 3:23 PM, Reid Kleckner via llvm-commits <
>> llvm-commits at lists.llvm.org> wrote:
>>
>>> Author: rnk
>>> Date: Wed May 17 17:23:20 2017
>>> New Revision: 303311
>>>
>>> URL: http://llvm.org/viewvc/llvm-project?rev=303311&view=rev
>>> Log:
>>> Attempt to pacify ASan and UBSan reports in CrashRecovery tests
>>>
>>> Modified:
>>>     llvm/trunk/unittests/Support/CrashRecoveryTest.cpp
>>>
>>> Modified: llvm/trunk/unittests/Support/CrashRecoveryTest.cpp
>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/unittests/Sup
>>> port/CrashRecoveryTest.cpp?rev=303311&r1=303310&r2=303311&view=diff
>>> ============================================================
>>> ==================
>>> --- llvm/trunk/unittests/Support/CrashRecoveryTest.cpp (original)
>>> +++ llvm/trunk/unittests/Support/CrashRecoveryTest.cpp Wed May 17
>>> 17:23:20 2017
>>> @@ -17,11 +17,15 @@
>>>  #include <windows.h>
>>>  #endif
>>>
>>> +extern "C" const char *__asan_default_options() {
>>> +  return "allow_user_segv_handler=1";
>>> +}
>>> +
>>>  using namespace llvm;
>>>  using namespace llvm::sys;
>>>
>>>  static int GlobalInt = 0;
>>> -static void nullDeref() { *(volatile int *)nullptr = 0; }
>>> +static void nullDeref() { *(volatile int *)0x10 = 0; }
>>>  static void incrementGlobal() { ++GlobalInt; }
>>>  static void llvmTrap() { LLVM_BUILTIN_TRAP; }
>>>
>>>
>>>
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>>>
>>
>>
>
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