8176717: GC log file handle leaked to child processes Reviewed-by: stuefe, rehn

8202582: DateTimeFormatterBuilder.parseOffsetBased unnecessarily calls toString() Summary: call text.subSequence() before calling toString() on input string Reviewed-by: igerasim

8200729: Conditional compilation of GCs Reviewed-by: ehelin, coleenp, kvn, ihse

8187123: (reflect) Class#getCanonicalName and Class#getSimpleName is a part of performance issue Reviewed-by: psandoz, dholmes, mchung

8201572: Improve Metaspace Statistics Reviewed-by: adinn, zgu

8196113: Remove the Compact Profile builds Reviewed-by: tbell, alanb

Added tag jdk-11+12 for changeset 3ab6ba9f94a9

8200557: OopStorage parallel iteration scales poorly Summary: Change representation of sequence of all blocks for better scaling. Reviewed-by: coleenp, eosterlund

8200083: Bump bootjdk requirement for JDK 11 to JDK 10 Reviewed-by: tbell, ihse

8194968: problem list actions for tools/javac/jvm/VerboseOutTest Reviewed-by: vromero

8201138: Defect in XMLEventReader.getElementText() may cause data to be skipped, duplicated or otherwise result in a ClassCastException Reviewed-by: lancea

8201793: (ref) Reference object should not support cloning Reviewed-by: psandoz, kbarrett

8202552: [AOT][JVMCI] Incorrect usage of INCLUDE_JVMCI and INCLUDE_AOT Reviewed-by: stefank, ihse

8202424: Metaspace: on chunk retirement, use correct lower limit on chunksize when adding blocks to free blocks list Reviewed-by: zgu, coleenp

8202584: de-problem list tools/javac/jvm/VerboseOutTest Reviewed-by: mcimadamore