[8u] Request for approval: 8087120: [GCC5] java.lang.StackOverflowError on Zero JVM initialization on non x86 platforms

[Vladimir Kozlov]

http://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot

On 11/19/15 9:21 AM, Severin Gehwolf wrote:
> On Thu, 2015-11-19 at 15:43 +0000, Rob McKenna wrote:
>> Correct. You need a sponsor. Perhaps Andrew would be willing to help?
>> Failing that please work with the hotspot group.
>
> Thanks, Rob.
>
> Hotspot people: To which JDK 8 tree should this get pushed? Andrew,
> tells me that he can push it for me once we know where :)
>
> Thanks,
> Severin
>
>> 	-Rob
>>
>> On 19/11/15 09:41, Severin Gehwolf wrote:
>>> On Wed, 2015-11-18 at 21:08 +0000, Rob McKenna wrote:
>>>> Approved. Please add a suitable noreg label to the bug.
>>>>
>>>> 	-Rob
>>>
>>> Another question: Wouldn't I need a sponsor to get this integrated?
>>> Is
>>> this being taken care of automatically?
>>>
>>> Thanks for your help!
>>>
>>> Cheers,
>>> Severin
>>>
>>>> On 18/11/15 10:50, Severin Gehwolf wrote:
>>>>> Hi,
>>>>>
>>>>> I'd like to ask for approval of a Zero-specific hotspot 8
>>>>> backport.
>>>>> Currently, the jdk8u forest fails to build the Zero variant
>>>>> with
>>>>> GCC 5
>>>>> due to this:
>>>>>
>>>>> src/os_cpu/linux_zero/vm/os_linux_zero.cpp:59:10: error:
>>>>> function
>>>>> returns address of local variable [-Werror=return-local-addr]
>>>>>       return dummy;
>>>>>              ^
>>>>> src/os_cpu/linux_zero/vm/os_linux_zero.cpp:58:11: note:
>>>>> declared
>>>>> here
>>>>>       address dummy = (address) &dummy;
>>>>>               ^
>>>>> Note: Fedora 22+ have GCC 5. The above problem and the actual
>>>>> overflow
>>>>> bug (if warning is ignored at build time + on relevant arch)
>>>>> goes
>>>>> away
>>>>> when JDK-8087120 gets backported to 8u.
>>>>>
>>>>> Original Bug: https://bugs.openjdk.java.net/browse/JDK-8087120
>>>>> 9 webrev: http://cr.openjdk.java.net/~sgehwolf/webrevs/JDK-8087
>>>>> 120/
>>>>> webrev.01/
>>>>> 9 review thread: http://mail.openjdk.java.net/pipermail/hotspot
>>>>> -dev
>>>>> /2015-June/018884.html
>>>>>
>>>>> The 9 webrev applies with no change to the 8 forest. I'd need
>>>>> somebody
>>>>> to sponsor this for me.
>>>>>
>>>>> Thanks,
>>>>> Severin
>>>>>
>>>
>