RFR: 8019779 JDK 8 build failed due to hotspot crashed on Solaris 10u10 sparcv9/sparc with SS12u3 compiler

[Vladimir Kozlov]

Thank you, Lois, for clarification.

Changes are good.

Thanks,
Vladimir

On 7/24/13 9:20 AM, Lois Foltan wrote:
>
> On 7/24/2013 11:37 AM, Vladimir Kozlov wrote:
>> Lois,
>>
>> Usually such problems happened only with fastdebug build. You lowed optimization level for product and optimized
>> builds. Did it also fail with these versions? Sorry, I can't see bug report.
>>
> Hi Vladimir,  thank you for your review.  The bug was originally reported against a fastdebug build, however, I was also
> able to easily reproduce the failure with the product build as well.  Thus the necessity of making this change for
> fastdebug, optimized and product.
>
>> Also you kept lower opt level for jvmtiClassFileReconstituter.o (\>= 510). Does it still have problem with SS12u3?
>>
> That is unknown, so I chose the safer route to continue to include the optimization reduction for
> jvmtiClassFileReconstituter.o for SS12u3. There also seemed to be some historical precedence within the make files to
> use (\>=<compiler version #>)  for past compiler version #'s when bumping up to a new compiler version. Certainly, if
> the C++ compiler optimization bug that plagued jvmtiClassFileReconstituter.o is fixed, then it can be easily be changed
> back to just reduced for 510.  However, I don't know if we can make that assertion at this point.
>
>> Thanks,
>> Vladimir
>>
>> On 7/24/13 7:49 AM, Lois Foltan wrote:
>>> Please review the following fix:
>>>
>>>      open webrev at http://cr.openjdk.java.net/~hseigel/bug_8019779
>>>
>>> Bug: JDK 8 build failed due to hotspot crashed on Solaris 10u10 sparcv9/sparc with SS12u3 compiler
>>>
>>>      bug link at https://jbs.oracle.com/bugs/browse/JDK-8019779
>>>
>>> Summary of fix:
>>>
>>>      The JDK 8 build on Solaris using the new SS12u3 (CC V5.12) compiler
>>>      failed with a Hotspot crash at the point the build executes rmic.
>>>      This crash was tracked down to a C++ compiler optimization issue
>>>      when two specific files are compiled with -xO4.  As a work around fix,
>>>      knock down the optimization level of these two files specifically for
>>>      SS12u3. This bug will be reported/transferred to the C++ compiler in BugDB.
>>>
>>> Test Builds:
>>>     Based on jdk8/build forests:
>>>      JDK 8 full build with C++ SS12u1 with --with-debug-level=[release and fastdebug] on Solaris sparc
>>>      JDK 8 full build with C++ SS12u3 with --with-debug-level=[release and fastdebug] on Solaris sparc
>>>
>>>     Based on hotspot-rt:
>>>      Built Hotspot fastdebug, optimized, product with C++ SS12u1 on Solaris sparcv9 and Solaris Intel
>>>      Built Hotspot debug, fastdebug, optimized, product with C++ SS12u3 on Solaris sparcv9 and Solaris Intel
>>>
>>> Tests:
>>>     JDK 8 full release built with C++ SS12u3 on Solaris sparc - ran Hotspot's jtreg tests
>>>     JDK 8 full fastdebug built with C++ SS12u3 on Solaris sparc - ran JCK full test suite
>>>     Hotspot fastdebug built with C++ SS12u3 on Solaris sparcv9 - ran vm.quick.testlist
>>>
>>>
>>> Thank you,
>>> Lois
>