Summary: Create G1ParGCAllocBufferContainer to contain two buffers instead of previously using one buffer, in order to hold the first priority buffer longer. Thus, when some large objects hits the value of free space left in the first priority buffer it has an alternative to fit in the second priority buffer while the first priority buffer is given more chances to try allocating smaller objects. Overall, it will improve heap space efficiency.
Reviewed-by: johnc, jmasa, brutisso
Contributed-by: Ntamao <tao.mao@oracle.com>

Summary: Fixed the output of G1SummarizeRSetStats: too small datatype for the number of concurrently processed cards, added concurrent remembered set thread time retrieval for Linux and Windows (BSD uses os::elapsedTime() now), and other cleanup. The information presented during VM operation is now relative to the previous output, not always cumulative if G1SummarizeRSetStatsPeriod > 0. At VM exit, the code prints a cumulative summary.
Reviewed-by: johnc, jwilhelm

Reviewed-by: jcoomes

Summary: Compare compressed oops to a compressed young gen boundary instead of uncompressing the oops before doing the young gen boundary check.
Reviewed-by: brutisso, jmasa

Reviewed-by: jmasa, tschatzl

Summary: limit the memory footprint to dodge OutOfMemory errors.
Reviewed-by: dcubed, ctornqvi, iignatyev

Summary: NMT_detail is only supported when frame pointers are not omitted (-fno-omit-frame-pointer).
Reviewed-by: dholmes, cjplummer

8013461: There is a symbol AsyncGetCallTrace in libjvm.symbols that does not exist in minimal/libjvm.a when DEBUG_LEVEL == release
Summary: AsyncGetCallTrace is needed in libjvm.symbols so that programs which reference it can build correctly.
Reviewed-by: dholmes, bobv

Summary: Printing both result from GetLastError and text representation of error. Also changed so that we produce dumps by default on client versions of Windows when running with a debug build. Also reviewed by peter.allwin@oracle.com
Reviewed-by: sla, dholmes

Summary: field count handling fixed, has_nonstatic_fields invariant fixed, oop map overrun fixed; new asserts
Reviewed-by: kvn, dcubed, coleenp

Summary: Combine the calls to StringTable::unlink and StringTable::oops_do in Parallel Scavenge.
Reviewed-by: pliden, coleenp

Summary: The string in StringTable is not used by CDS anymore. Remove the unnecessary code in preparation for 8015422: Large performance hit when the StringTable is walked twice in Parallel Scavenge
Reviewed-by: pliden, tschatzl, coleenp

Summary: Split SystemDictionary and ClassLoaderDataGraph root processing to help load balancing.
Reviewed-by: tschatzl, johnc

Summary: The "delete mnt" needs to grab MemberNameTable_lock if !SafepointSynchronize::is_at_safepoint()
Reviewed-by: sla, mgerdin, dholmes, jmasa
Contributed-by: serguei.spitsyn@oracle.com

Reviewed-by: sspitsyn, dholmes, dcubed

Reviewed-by: jcoomes

Summary: The fix of perf regression is to use method_idnum() for direct indexing into NMT
Reviewed-by: twisti, kvn, coleenp, dholmes
Contributed-by: serguei.spitsyn@oracle.com

Summary: Small classpath fix and move tests into open
Reviewed-by: mgerdin, zgu

8014430: JRE crashes instead of stop compilation on full Code Cache. Internal Error (c1_Compiler.cpp:87)
Summary: Disable client compiler and switch to interpreter if there is not enough free space in the code cache.
Reviewed-by: kvn, twisti

Summary: Changed gen_write_ref_array_post_barrier() code on x64 to pass start address and number of copied oop elements. In generate_checkcast_copy() skip post barrier code if no elements are copied.
Reviewed-by: roland

Summary: Inject protection_domain, signers, init_lock into java_lang_Class
Reviewed-by: stefank, dholmes, sla