RFR: 8066803: compiler/intrinsics/mathexact/SubExactINonConstantTest.java crashed in os::is_first_C_frame(frame*)

[Lois Foltan]

Looks good.
Lois

On 12/12/2014 8:33 AM, Coleen Phillimore wrote:
> Summary: Stop native stack walk when we get to compiled or stub frame.
>
> Coming from deoptimization, we hit a compiled frame (or deopt stub 
> actually) in native memory tracking stack walking.  This code doesn't 
> have the link pointer set up to match the native abi, so this crashes 
> (sometimes).
>
> open webrev at http://cr.openjdk.java.net/~coleenp/8066803/
> bug link https://bugs.openjdk.java.net/browse/JDK-8066803
>
> Ran test in the bug report 700 times (crashed within 8) with the fix.  
> Also ran NMT tests.
>
> Thanks,
> Coleen