8150900: Implement diagnostic_pd
Reviewed-by: twisti, gziemski, kevinw

8073500: Prevent certain commercial flags from being changed at runtime
Summary: Implement new writeable mechanism for flag control
Reviewed-by: coleenp, iklam

8153039: Command line processing should use mtCommand or mtArguments rather than mtInternal for NMT
Summary: Added mtArguments and replaced argument related usages of mtInternal with the new flag.
Reviewed-by: coleenp, gtriantafill

8142510: -XX:+PrintFlagsRanges should print default range value for those flags that have constraint and an implicit range.
Summary: Implemented default ranges for flags with constraints and no explicit ranges
Reviewed-by: ddmitriev, coleenp

8145204: JVM can hang when ParGCArrayScanChunk=4294967296 and ParallelGC is used
Summary: Changed the max value of ParGCArrayScanChunk to max_jint/3
Reviewed-by: jwilhelm, drwhite

8142341: GC: current flags need ranges to be implemented
Summary: Add explicit ranges and constraint for all gc flags
Reviewed-by: jwilhelm, gziemski, ddmitriev, tbenson

8138983: Runtime: implement ranges for Shared*** flags
Summary: Implement ranges.
Reviewed-by: ddmitriev, dholmes, jiangli

8141641: Runtime: implement range for ErrorLogTimeout
Summary: Implement range=(0, jlong_max/1000)
Reviewed-by: coleenp, ddmitriev, dholmes

Merge

8078556: Runtime: implement ranges (optionally constraints) for those flags that have them missing.
Summary: JEP 245: implement ranges and constraints for runtime flags.
Reviewed-by: coleenp, ddmitriev, jiangli, goetz
Contributed-by: goetz.lindenmaier@sap.com, gerard.ziemski@oracle.com

Merge

8136421: JEP 243: Java-Level JVM Compiler Interface
Reviewed-by: ihse, alanb, roland, coleenp, iveresov, kvn, kbarrett

8134995: [REDO] GC: implement ranges (optionally constraints) for those flags that have them missing
Summary: Add ranges and constraint functions for GC flags.
Reviewed-by: kbarrett, jmasa, jwilhelm, gziemski, zmajo

8134972: [BACKOUT] GC: implement ranges (optionally constraints) for those flags that have them missing
Reviewed-by: jwilhelm

8078555: GC: implement ranges (optionally constraints) for those flags that have them missing
Summary: Add ranges and constraint functions for GC flags.
Reviewed-by: jmasa, kbarrett, gziemski, ddmitriev, drwhite

8112746: Followup to JDK-8059557 (JEP 245)
Summary: Several improvements to range/constraint check feature.
Reviewed-by: coleenp, ddmitriev, sangheki, kbarrett

8130459: Add additional validation after heap creation
Summary: Some PLAB related flags' validation can happen after heap creation. Introduced additional stage of validation check.
Reviewed-by: coleenp, dholmes, kbarrett, gziemski, ecaspole, ddmitriev

8081202: Hotspot compile warning: "Invalid suffix on literal; C++11 requires a space between literal and identifier"
Summary: Need to add a space between macro identifier and string literal
Reviewed-by: stefank, dholmes, kbarrett

8122937: [JEP 245] Validate JVM Command-Line Flag Arguments.
Summary: Validate the arguments to all JVM command-line flags so as to avoid crashes, and ensure that appropriate error messages are displayed when they are invalid.
Reviewed-by: ddmitriev, dholmes, kbarrett, drwhite, brutisso, coleenp