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

[Severin Gehwolf]

On Wed, 2015-11-18 at 21:08 +0000, Rob McKenna wrote:
> Approved. Please add a suitable noreg label to the bug.
> 
> 	-Rob

Thanks, Rob!

I've added a noreg-hard label to JDK-8087120.

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-8087120/
> > 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
> >