[8u] backport of 8148353: [linux-sparc] Crash in libawt.so on Linux SPARC

[Vladimir Kozlov]

Looks good.

Note, the code fix was applied cleanly to jdk 8u. Only test have to be 
modified.

Thanks,
Vladimir

On 2/29/16 12:52 PM, Roland Westrelin wrote:
> Hi,
>
> Please approve and review the following backport to 8u.
>
> 8148353 was pushed to jdk9 last week (on Wednesday) and it hasn’t caused any new failures during nightly testing. The change doesn’t apply cleanly to 8u: I had to rework the test because the infrastructure to run native jtreg tests doesn’t seem to exist in 8. I restricted the test to linux-sparc to keep it simple.
>
> https://bugs.openjdk.java.net/browse/JDK-8148353
> http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/1f4f4866aee0
>
> New webrev:
> http://cr.openjdk.java.net/~roland/8148353/webrev.8u.00/
>
> review thread:
> http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2016-February/thread.html#21530
>
> Note that when I pushed 8148353 to 9, the fix version was set to 8 and so a backport was created for 9.
>
> Roland.
>