hg: jdk/jdk: 8214388: CDS dumping fails with java heap fragmentation

[ioi.lam at oracle.com]

Changeset: ff04b71bf6f1
Author:    iklam
Date:      2018-12-03 22:27 -0800
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/ff04b71bf6f1

8214388: CDS dumping fails with java heap fragmentation
Summary: Force a full GC with a single thread before writing heap archive regions
Reviewed-by: sjohanss, jiangli

! src/hotspot/share/classfile/compactHashtable.hpp
! src/hotspot/share/gc/g1/g1Arguments.cpp
! src/hotspot/share/gc/g1/g1HeapVerifier.cpp
! src/hotspot/share/gc/g1/g1HeapVerifier.hpp
! src/hotspot/share/gc/shared/gcCause.cpp
! src/hotspot/share/gc/shared/gcCause.hpp
! src/hotspot/share/memory/filemap.cpp
! src/hotspot/share/memory/heapShared.cpp
! src/hotspot/share/memory/metaspaceShared.cpp
! test/hotspot/jtreg/runtime/appcds/LotsOfClasses.java
! test/hotspot/jtreg/runtime/appcds/cacheObject/ArchivedIntegerCacheTest.java
+ test/hotspot/jtreg/runtime/appcds/javaldr/HumongousDuringDump.java
+ test/hotspot/jtreg/runtime/appcds/javaldr/HumongousDuringDumpTransformer.java
+ test/hotspot/jtreg/runtime/appcds/javaldr/HumongousDuringDumpTransformer.mf
! test/hotspot/jtreg/runtime/appcds/sharedStrings/InvalidFileFormat.java
+ test/hotspot/jtreg/runtime/appcds/sharedStrings/SharedStringsHumongous.java
! test/hotspot/jtreg/runtime/appcds/sharedStrings/SharedStringsStress.java
+ test/hotspot/jtreg/runtime/appcds/sharedStrings/invalidFormat/LengthOverflow.txt
! test/hotspot/jtreg/runtime/appcds/sharedStrings/invalidFormat/TruncatedString.txt