Summary: Unsafe is not recommended and may deprecated in future. Added a WhiteBox API to get VM page size.
Reviewed-by: dholmes, ccheung, mseledtsov
Contributed-by: yumin.qi@oracle.com

Reviewed-by: stefank, tschatzl

Summary: meet of 2 constant arrays result in bottom
Reviewed-by: kvn

Summary: For *store bytecodes, compare incoming, not outgoing, type state with exception handlers' stack maps.
Reviewed-by: acorn, dholmes

Summary: Instead of 'fpclass', use cast float->int and double->long to check if value is +0.0f and +0.0d, respectively.
Reviewed-by: kvn, simonis, dlong

Reviewed-by: tschatzl, ecaspole

Summary: default methods added to classes confuse dependency processing
Reviewed-by: kvn

Summary: Escape state of allocated object should be always adjusted after it was passed to a method.
Reviewed-by: kvn

Summary: Check for overflow when inverting the loop during the counted loop conversion
Reviewed-by: kvn

Reviewed-by: kvn

Reviewed-by: ctornqvi, fzhinkin, farvidsson

Reviewed-by: jmasa

8067232: [TESTBUG] runtime/CheckEndorsedAndExtDirs/EndorsedExtDirs.java fails with ClassNotFoundException
Summary: Added explicit build instructions for test library
Reviewed-by: minqi, mchung, jiangli

Summary: range check smearing uncorrectly adjust first range check in a list of range checks to cover all of them
Reviewed-by: jrose, kvn, iveresov

Summary: -XX:+TraceDeoptimization tries to print realloc'ed objects even when there are none
Reviewed-by: kvn

Reviewed-by: kvn, rbackman, anoll, vlivanov, iignatyev
Contributed-by: tatiana.pivovarova@oracle.com

Reviewed-by: hseigel, ccheung

Summary: dead backbranch in main loop results in erroneous array access
Reviewed-by: kvn, iveresov

Reviewed-by: jmasa, dfazunen

Summary: OOM during reallocation of scalar replaced objects in deoptimization causes crashes
Reviewed-by: kvn, jrose

Summary: Fix FP registers save/restore during exception handling
Reviewed-by: kvn, vlivanov

Summary: PhaseIdealLoop::split_if_with_blocks_post() shoulnd't reorder range checks adjusted by range check smearing
Reviewed-by: kvn, jrose

Summary: in FileMapInfo::fail_continue do not set UseSharedSpaces = false
Reviewed-by: dholmes, ccheung

Reviewed-by: coleenp, ccheung

Summary: note all MemberNames created on internal list for adjusting method entries.
Reviewed-by: sspitsyn, dcubed, lfoltan

Summary: Ignore non-instance Klasses in the subclass hierarchy.
Reviewed-by: kvn, iignatyev, jrose

8062957: Heap is not shrunk when deallocating under memory pressure
Summary: Added explicit -XX:-ExplicitGCInvokesConcurrent to invocations
Reviewed-by: brutisso, tschatzl

8056071: compiler/whitebox/IsMethodCompilableTest.java fails with 'method() is not compilable after 3 iterations'
Summary: Always use MDO if valid and always compile trivial methods with C1 if available.
Reviewed-by: kvn, iveresov

Summary: Signed bitfield size y can only have (1 << y)-1 values.
Reviewed-by: shade, dholmes, jrose, ctornqvi, gtriantafill

Reviewed-by: coleenp, iklam, mseledtsov
Contributed-by: yumin.qi@oracle.com

8060467: CMS: small OldPLABSize and -XX:-ResizePLAB cause assert(ResizePLAB || n_blks == OldPLABSize) failed: Error
Reviewed-by: tschatzl, jmasa, kbarrett

8058251: assert(_count > 0) failed: Negative counter when running runtime/NMT/MallocTrackingVerify.java
Summary: Fixed an issue when overflowing the MallocSite hash table bucket
Reviewed-by: coleenp, gtriantafill

Reviewed-by: ctornqvi, coleenp

Reviewed-by: kvn, roland

Summary: Added API to track bootclasspath modification
Reviewed-by: jiangli, dholmes, minqi

Summary: Fixed Whitebox.deoptimizeMethod() to deoptimize all OSR versions of the method.
Reviewed-by: kvn, iignatyev

Reviewed-by: coleenp, sspitsyn, jfranck

Summary: Implemented the interface in sun.misc.URLClassPath and corresponding JVM_XXX APIs
Reviewed-by: mchung, acorn, jiangli, dholmes

8061983: [TESTBUG] compiler/whitebox/MakeMethodNotCompilableTest.java fails with "must not be in queue"
Summary: Added a method checkNotCompiled(boolean isOsr) to either check if the method is OSR compiled or to check if it is non-OSR compiled.
Reviewed-by: kvn

Summary: Call warmup code from OSR triggering method to make sure no non-OSR compilation is triggered in the loop.
Reviewed-by: kvn