hg: jdk8u/jdk8u-dev/hotspot: 8153134: Infinite loop in handle_wrong_method in jmod

[vladimir.kempik at oracle.com]

Changeset: 77d9c9da7188
Author:    vkempik
Date:      2017-02-06 23:36 +0300
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot/rev/77d9c9da7188

8153134: Infinite loop in handle_wrong_method in jmod
Summary: Use Patching_lock to synchronize access between set_code() and clear_code().
Reviewed-by: kvn, dlong

! src/share/vm/classfile/classLoader.cpp
! src/share/vm/code/nmethod.cpp
! src/share/vm/oops/method.cpp
! src/share/vm/oops/method.hpp