Request for review: 7059899: Stack overflows in Java code cause 64-bit JVMs to exit due to SIGSEGV

[Coleen Phillimore]

Summary: Increase StackShadowPages to accomodate the JDK changes to 
increase buffer size in socketWrite

open webrev at http://cr.openjdk.java.net/~coleenp/7059899/
bug link at http://bugs.sun.com/view_bug.do?bug_id=7059899

Tested with test case and internal stack overflow tests.

Thanks,
Coleen