Reviewed-by: jmasa, tschatzl

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

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: Rename: compute_generations_free_space() = compute_eden_space_size() + compute_old_gen_free_space(); update related logging messages
Reviewed-by: jmasa, johnc, tschatzl, brutisso
Contributed-by: Ntamao <tao.mao@oracle.com>

Summary: Stop current iteration of loop opts if partial_peel() failed and it created node clones outside processed loop.
Reviewed-by: roland

Summary: added <config.h> to header file to make hsdis compile with binutils 2.23.*
Reviewed-by: kvn, twisti

Reviewed-by: jwilhelm, jmasa, tschatzl

Summary: Correct the wrong print format in error message for VM cannot allocate the requested heap; and clean up the error message call in check_alignment()
Reviewed-by: brutisso, tschatzl
Contributed-by: Ntamao <tao.mao@oracle.com>

8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
Summary: Instead of using a simple sizeof(), ask the PerRegionTable class about its size when iterating over the free list.
Reviewed-by: jwilhelm, brutisso

Summary: Add call to coalBirth() in CompactibleFreeListSpace::reset()
Reviewed-by: ysr, jmasa

Reviewed-by: ehelin, stefank

Summary: rename/remove local variables, re-arrange instance_size calculation, more comments.
Reviewed-by: kvn, coleenp

Summary: Print helpful error message when VM aborts due to inability of allocating bit maps or card tables
Reviewed-by: jmasa, stefank
Contributed-by: Ntamao <tao.mao@oracle.com>

Summary: Move the missing test to appropriate location.
Reviewed-by: dholmes, sla

Summary: Added info for the string/symbol objects and the hash entries
Reviewed-by: coleenp, rbackman

Reviewed-by: jcoomes

Summary: Remove dead code containing last call to scanf with no string length specifier
Reviewed-by: dcubed, coleenp

Reviewed-by: brutisso, tschatzl