hg: jdk/submit: 8210861: Move assert to help diagnose rare RedefineStress crash

[coleen.phillimore at oracle.com]

Changeset: 6cd1ee2b4fa1
Author:    coleenp
Date:      2018-09-18 16:11 -0400
URL:       http://hg.openjdk.java.net/jdk/submit/rev/6cd1ee2b4fa1

8210861: Move assert to help diagnose rare RedefineStress crash
Summary: assert that Method being marked on stack hasn't been missed by previous metadata walk
Reviewed-by: lfoltan

! src/hotspot/share/oops/method.cpp
! test/hotspot/jtreg/vmTestbase/nsk/jvmti/RedefineClasses/StressRedefineWithoutBytecodeCorruption/TestDescription.java