RFR JDK-8021954 (round 2) VM SIGSEGV during classloading on MacOS; hs_err_pid file produced

[Lois Foltan]

Thank you Coleen for the review.

Lois

On 8/29/2013 2:50 PM, Coleen Phillimore wrote:
>
> Lois,
>
> This does looks better than the NOEXCEPT macros.  Can other people 
> review this today?  We need this for the clang c++ compiler upgrade 
> testing.
>
> Thanks,
> Coleen
>
> On 08/29/2013 02:33 PM, Lois Foltan wrote:
>>
>> Please review the following updated webrev:
>>
>> Internal webrev:
>>
>> http://cr.openjdk.java.net/~coleenp/bug_jdk8021954.2/
>>
>> Bug: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced &
>>          runtime/6878713/Test6878713.sh fails on mac
>>
>>     bug links at: https://bugs.openjdk.java.net/browse/JDK-8021954
>> https://bugs.openjdk.java.net/browse/JDK-8022140
>>
>> Summary of fix:
>>     On MacOS, currently Hotspot is built specifying the -fcheck-new 
>> command line option to the llvm-g++ compiler.
>>     The -fcheck-new option directs the compiler to "check that the 
>> pointer returned by |operator new| is non-null
>>      before attempting to modify the storage allocated."  The clang++ 
>> compiler does not support the
>>      -fcheck-new option.  To obtain similiar functionality when 
>> building Hotspot with clang++, empty exception
>>      throw() specifications must be added to all user-defined 
>> operator new()'s.
>>
>> Tests:
>>      Built on Solaris (12u1), Linux (gcc 4.4.3 & 4.7.3), VS2010, 
>> MacOS (llvm-g++ & clang++)
>>      Ran vm.quick.testlist on MacOS clang++ built Hotspot image
>>
>> Original Testing:
>>      Solaris: built fastdebug & product images
>>      Linux: built fastdebug & product images
>>      MacOS:  built fastdebug & product images using llvm-g++ - ran JTREG
>>                     built fastdebug & product images using clang++ - 
>> ran JTREG, JCK vm & lang, vm.quick.testlist
>>      Windows:  built fastdebug & product images with VS2010
>>
>> Thank you,
>> Lois
>>
>

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