RFR (s) 8033735: make Throwable.backtrace visible to Class.getDeclaredField again

[Christian Thalinger]

Looks good.  Thanks for taking care of this.

> On Apr 8, 2016, at 10:28 AM, Coleen Phillimore <coleen.phillimore at oracle.com> wrote:
> 
> Summary: removed old hack to workaround an old crash.
> 
> Tested with given test case and hotspot runtime tests and jdk/test/java/lang/Throwable tests (and selected other jdk tests).
> 
> open webrev at http://cr.openjdk.java.net/~coleenp/8033735.01/webrev
> bug link https://bugs.openjdk.java.net/browse/JDK-8033735
> 
> Thanks,
> Coleen