Merge

Added tag jdk-11+5 for changeset d5c43e9f08fb

8199768: jdk/test/lib/compiler/CompilerUtils.java needs to provide more control over compilation Reviewed-by: psandoz, alanb

8199749: Debug symbols are not copied to exploded image on Mac Reviewed-by: ihse

8196298: Add null Reader and Writer Reviewed-by: bpb, forax, smarks, alanb, rriggs Contributed-by: patrick@reini.net

8199745: JDK-8199668 introduced a build race on macosx Reviewed-by: tbell

8193584: (testbug) TestSocketFactory fails intermittently with ConcurrentModificationException Reviewed-by: bpb, lancea

Merge

8199616: Fix @module declarations in tier1 tests Reviewed-by: mchung, alanb

8199443: Nashorn multithread bottleneck with "use strict" Reviewed-by: jlaskey, sundar

8199464: Remove remaining vestiges of Java_sun_reflect_Reflection_getCallerClass Reviewed-by: alanb, clanger, mchung

8199215: Re-examine getFreePort method in test infrastructure library Reviewed-by: alanb

8183554: Add constructors with Charset parameter for FileReader and FileWriter Reviewed-by: alanb, rriggs, smarks

8199681: Remove boilerplate code from creating native jtreg tests Reviewed-by: erikj

8199668: make/lib cleanup Reviewed-by: erikj

8189230: JDK method:java.lang.Integer.numberOfLeadingZeros(int) can be optimized Summary: Directly return zero for a negative parameter instead of calculating Reviewed-by: psandoz