Reviewed-by: ehelin, stefank

Reviewed-by: brutisso, tschatzl

Summary: Setting some public integer options to specific values causes crashes or undefined GC behavior. This patchset adds the necessary argument checking for these options.
Reviewed-by: jmasa, brutisso

Summary: The fix of 8010992, disable use of global operator new and new[] which caused failure on some tests. This takes two of the bugs also add ALLOW_OPERATOR_NEW_USAGE to prevent crash for third party code calling operator new of jvm on certain platforms.
Reviewed-by: coleenp, dholmes, zgu
Contributed-by: yumin.qi@oracle.com

Summary: The patch for 8006088 misses regression tests after a merge error, this CR provides them.
Reviewed-by: jwilhelm, tamao, jmasa

Summary: With NPG, const KlassOop klass which is in fact a definition converted to Klass* const, which is not the original intention. The right usage is converting them to const Klass*.
Reviewed-by: coleenp, kvn
Contributed-by: yumin.qi@oracle.com

Summary: Make processing of minimum, initial and maximum heap size more intiutive by removing previous limitations on allowed values, and make error reporting consistent. Further, fix errors in ergonomic heap sizing.
Reviewed-by: johnc, jwilhelm, tamao

8013120: NMT: Kitchensink crashes with assert(next_region == NULL || !next_region->is_committed_region()) failed: Sanity check
Summary: Fixed NMT to deal with releasing virtual memory region when there are still committed regions within it
Reviewed-by: acorn, coleenp

Summary: Make sure max alignemnt is at least as large as min alignment
Reviewed-by: johnc, jmasa, tschatzl

Reviewed-by: coleenp, zgu, hseigel

Summary: Instead of terminating the VM, throw OutOfMemoryError exceptions.
Reviewed-by: coleenp, dholmes

8013129: Possible deadlock with Metaspace locks due to mixed usage of safepoint aware and non-safepoint aware locking
Summary: Change Metaspace::deallocate to take lock with _no_safepoint_check_flag
Reviewed-by: coleenp, jmasa, dholmes

Reviewed-by: coleenp, mgerdin

Reviewed-by: johnc, brutisso

Summary: anti-delta fix for 8010992 until 8012902 can be fixed
Reviewed-by: acorn, minqi, rdurbin

Summary: disable use of global operator new and new[] which could cause unexpected exception and escape from NMT tracking.
Reviewed-by: coleenp, dholmes, zgu
Contributed-by: yumin.qi@oracle.com

Summary: Remove continous free block requirement
Reviewed-by: kvn

Summary: remove JPRT debug builds, remove -DDEBUG -DFASTDEBUG and use ASSERT instead in sources
Reviewed-by: dholmes, kvn, coleenp

Reviewed-by: brutisso, jmasa

Summary: Allow task queues to be mmapped instead of malloced on Solaris
Reviewed-by: coleenp, jmasa, johnc, tschatzl

Summary: Add the -Wunused-function flag and remove a number of unused functions.
Reviewed-by: dholmes, coleenp, kvn

Reviewed-by: mgerdin, tschatzl, johnc, coleenp

Reviewed-by: mgerdin, stefank

Summary: Some parts of the G1 heap can only be walked during a safepoint. Skip verifying these parts of the heap when verifying during JVM startup.
Reviewed-by: brutisso, tschatzl

Summary: Keep a counter of how many times we were stalled by the GC locker, add a diagnostic flag which sets the limit.
Reviewed-by: brutisso, ehelin, johnc

Reviewed-by: jmasa, stefank

Summary: Enforce MaxMetaspaceSize for both metaspace parts, check MaxMetaspaceSize against "reserved", not "capacity"
Reviewed-by: jmasa, johnc

Summary: In 64bit VM move CDS archive address to 32G on all platforms using new flag SharedBaseAddress.  In 32bit VM set CDS archive address to 3Gb on Linux and let other OSs pick the address.
Reviewed-by: kvn, dcubed, zgu, hseigel

Reviewed-by: kvn, stefank, rbackman, twisti
Contributed-by: niclas.adlertz@oracle.com

8009614: nsk/split_verifier/stress/ifelse/ifelse002_30 fails with 'assert((size & (granularity - 1)) == 0) failed: size not aligned to os::vm_allocation_granularity()
Summary: Align up vm allocation size to os defined granularity
Reviewed-by: dholmes, coleenp

8005602: NPG: classunloading does not happen while CMS GC with -XX:+CMSClassUnloadingEnabled is used
Summary: Call purge() on CLDG after sweep(), reorder purge() call in GenCollectedHeap
Reviewed-by: jmasa, stefank

Summary: Some zeroing was missed for bug 8003553, causing empty stack traces and Xcom crashes, add back zeroing to metablock
Reviewed-by: dholmes, rbackman

Reviewed-by: johnc

Summary: Take the initial heap size into account when checking the heap size for compressed oops
Reviewed-by: jmasa, kvn, hseigel, ctornqvi

8009282: Assertion "assert(used_and_free == capacity_bytes) failed: Accounting is wrong" failed with -XX:+Verbose -XX:+TraceMetadataChunkAllocation
Summary: Assertion is only valid when at a safepoint, adjust accordingly.
Reviewed-by: stefank, jmasa, tamao

Summary: Zero metadata in constructors, not in allocation (and some in constructors)
Reviewed-by: jmasa, sspitsyn

8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
Summary: Changes to arguments.cpp for warnings vs. errors.  Changes for CDS arguments.
Reviewed-by: coleenp, cjplummer

Reviewed-by: stefank, jmasa

Summary: Fix the build without precompiled headers by either including the missing ".inline.hpp" files into the appropriate files or by turning inline-functions declared in header files into ordinary functions in ".cpp" files.
Reviewed-by: coleenp, stefank, dholmes

Summary: Corrected formatted prints to have matching arguments, removed dead print_frame_layout function
Reviewed-by: sla, dholmes