hg: jdk8u/jdk8u/hotspot: 8145788: JVM crashes with -XX:+EnableTracing

[rob.mckenna at oracle.com]

Changeset: 80ee2541504e
Author:    phh
Date:      2018-08-23 22:56 +0000
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/80ee2541504e

8145788: JVM crashes with -XX:+EnableTracing
Summary: Events can trigger before ResourceMark is usable: move use from writeEvent() to print_val().
Reviewed-by: dholmes, ysuenaga, mlarsson

! src/share/vm/trace/traceEventClasses.xsl
! src/share/vm/trace/traceStream.hpp