hg: jdk10/hs/hotspot: 8175318: Performance issue regarding local JNI references

[kim.barrett at oracle.com]

Changeset: 0807b715cec5
Author:    kbarrett
Date:      2017-07-21 16:37 -0400
URL:       http://hg.openjdk.java.net/jdk10/hs/hotspot/rev/0807b715cec5

8175318: Performance issue regarding local JNI references
Summary: Avoid unnecessary repeated clears.
Reviewed-by: shade, simonis

! src/share/vm/runtime/jniHandles.cpp
! src/share/vm/runtime/jniHandles.hpp