hg: jdk9/hs-comp/hotspot: 8143897: Weblogic12medrec assert(handler_address == SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true)) failed: Must be the same

[tobias.hartmann at oracle.com]

Changeset: f918c20107d9
Author:    thartmann
Date:      2016-02-04 12:33 +0100
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/f918c20107d9

8143897: Weblogic12medrec assert(handler_address == SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true)) failed: Must be the same
Summary: ExceptionCache read is lock-free and assume strong memory ordering in write code. Added storestore memory barrier in write path to handle this.
Reviewed-by: kvn, thartmann, dlong
Contributed-by: Jamsheed Mohammed <jamsheed.c.m at oracle.com>

! src/share/vm/code/nmethod.cpp