Summary: String offset and count fields as fix of 6924259 were removed, and become optional. SA still use offset and count fields to read String contents and failed. Fix if they exist, use them other then use value field only to read, this keeps consistent with the changes in 6924259.
Reviewed-by: dholmes, mikael
Contributed-by: yumin.qi@oracle.com

7175255: symlinks are wrong, which caused jdk8-promote-2 to fail (client/64/64 directories in debuginfo zips)
Summary: Fix bad paths in client/64 and server/64 debug info and symlink creation
Reviewed-by: ohair, dholmes

Reviewed-by: jcoomes

Summary: forgot to hg add it
Reviewed-by: pbk, kamg, dlong, kvn, fparain

Summary: While looking for the sender frame check that the frame pointer should not be less than the stack pointer.
Reviewed-by: dholmes, sla

Summary: Use an alternate version of hashing algorithm for symbol string tables and after a certain bucket size to improve performance
Reviewed-by: pbk, kamg, dlong, kvn, fparain

Reviewed-by: kvn

Summary: replace frequent C2 optimizer code patterns with new methods calls
Reviewed-by: kvn, twisti
Contributed-by: vladimir.x.ivanov@oracle.com

Reviewed-by: kvn, twisti
Contributed-by: NKrystal Mok <sajia@taobao.com>

Summary: keep intermediate node alive till the end of the graph construction using dummy hook node trick
Reviewed-by: kvn, twisti
Contributed-by: vladimir.x.ivanov@oracle.com

Summary: increase precision on x86 for the steps of the computation of exp and pow.
Reviewed-by: kvn

Reviewed-by: kvn

Summary: Add missing check for EncodeP node in MemNode::Ideal_common_DU_postCCP() method.
Reviewed-by: twisti

Summary: Add -fpch-deps flag to gcc builds
Reviewed-by: kamg, coleenp
Contributed-by: volker.simonis@gmail.com

Reviewed-by: dholmes, coleenp
Contributed-by: NChris Dennis <cdennis@terracottatech.com>

Reviewed-by: kvn

Summary: Eliminate constMethod's _method backpointer to methodOop, and move the _constant field from methodOop to constMethod.
Reviewed-by: roland, bdelsart, kamg

Summary: Recognize Windows 8 and Windows Server 2012
Reviewed-by: sla, kvn, azeemj

Reviewed-by: acorn, kamg, sspitsyn, dholmes

Summary: Class.cast which calls Class.isInstance is heavily used by the new JSR 292 implementation
Reviewed-by: roland
Contributed-by: NKrystal Mok <rednaxelafx@gmail.com>

Summary: Fixed raw pointer being used after potential safepoint/GC
Reviewed-by: acorn, fparain, dholmes

Summary: The scope of TraceMemoryManagerStats in G1CollectedHeap need to cover the call to G1MonitoringSupport::update_sizes()
Reviewed-by: johnc, jmasa

Reviewed-by: azeemj, jmasa

Summary: Add "using" keyword to import base class functions from FreeList<T> to fix template name lookup in gcc 4.7
Reviewed-by: brutisso, iveresov

Reviewed-by: jcoomes