RFR: 8049632: JDK 1.8.0 b132 :Linux x64 : Crash in ClassFileParser::copy_localvariable_table(..)

[Coleen Phillimore]

On 1/28/15, 11:26 AM, Keith McGuigan wrote:
> Looks good to me.

Thanks Keith!  You were the one who told me about these extra hashtable 
implementations.
Coleen

>
> On Wed, Jan 28, 2015 at 11:11 AM, Coleen Phillimore 
> <coleen.phillimore at oracle.com <mailto:coleen.phillimore at oracle.com>> 
> wrote:
>
>     Summary: Use resource allocated hashtable for local variable table
>     checking
>
>     I was never able to reproduce this after considerable time trying.
>     I also never found anything wrong with the code that would cause
>     an extra or incorrect os::free call.  This change checks LVT
>     entries using the existing ResourceHashtable rather than a ad-hoc
>     extra hashtable definition in classFileParser.cpp.  So this change
>     removes the os::free call.  I think whatever caused the original
>     bug will crash somewhere else now, and hopefully be easier to find.
>
>     Tested with jck9, jck1.4 runThese tests, nsk and jtreg tests, and
>     added test.
>
>     open webrev at http://cr.openjdk.java.net/~coleenp/8049632/
>     <http://cr.openjdk.java.net/%7Ecoleenp/8049632/>
>     bug link https://bugs.openjdk.java.net/browse/JDK-8049632
>
>     Thanks,
>     Coleen
>
>
>
>
> -- 
>
> twitter-icon-large.png
>
> 	
>
> Keith McGuigan
>
> @kamggg
>
> kmcguigan at twitter.com <mailto:kmcguigan at twitter.com>
>