JDK-8160357: assert(_in == (Node**)this) failed: Must not pass arg count to 'new'

[Yasumasa Suenaga]

Hi Kim,

I can avoid this error with makefile fix in [1].
If [1] is merged, I want to stop to work for this issue.


Thanks,

Yasumasa


[1] http://mail.openjdk.java.net/pipermail/hotspot-dev/2016-June/023696.html


On 2016/06/28 4:20, Kim Barrett wrote:
>> On Jun 27, 2016, at 2:58 PM, Kim Barrett <kim.barrett at oracle.com> wrote:
>>  inline void* operator new(size_t x) throw() {
>>    Compile* C = Compile::current();
>>    Node* n = (Node*)C->node_arena()->Amalloc_D(x);
>> #ifdef ASSERT
>>    n->_in = (Node**)n; // magic cookie for assertion check
>> #endif
>>    return (void*)n;
>>  }
>>
>> That assignment of n->_in is, in this context, undefined behavior.
>> This was reported by Andrew Hughes back in March 2016.
>> http://mail.openjdk.java.net/pipermail/build-dev/2016-March/016767.html
>
> I thought there was a bug report for this undefined behavior, but I haven’t been able to find it.
>