Summary: Update the Major and build numbers for HS18 fork
Reviewed-by: jcoomes

Summary: Some code cleanups found during the JSR 292 SPARC port.
Reviewed-by: kvn, never

Reviewed-by: kvn

Summary: Added missing counter decrement when substring search restarted.
Reviewed-by: twisti

Summary: The logic for x86 C1 to save the SP over MH calls is pretty straight forward but SPARC handles that differently.
Reviewed-by: never, jrose

Summary: Add missing guard.
Reviewed-by: never

Summary: Passing a null pointer to an InvokeDynamic function call should lead to a NullPointerException.
Reviewed-by: kvn, never

Summary: The fix for 6927165 increased the number of shadow pages for 32-bit platforms and this causes a problem on systems with 64kb pages.
Reviewed-by: twisti
Contributed-by: NGary Benson <gbenson@redhat.com>

Summary: Improve the usability of safepoint statistics data. See bug evaluation for more details.
Reviewed-by: ysr, dholmes

Summary: store jsr ret bci as intptr constant in c1 debug info
Reviewed-by: never

Summary: This implements JSR 292 support for C1 x86.
Reviewed-by: never, jrose, kvn

Reviewed-by: never
Contributed-by: NAndrew Haley <aph@redhat.com>

Summary: A modified MethodHandlesTest revealed two bugs on x86_64.
Reviewed-by: never, jrose

Summary: Calculation of the slicing of survivor spaces for MT was incorrect.
Reviewed-by: ysr

Summary: Move creating stack guard pages in jni attach thread before potential java call rather than after. Also cleanup stack guard pages when jni attach fails
Reviewed-by: never, dholmes

Reviewed-by: kvn

Summary: Reduce NewSize from 4m to 1m.
Reviewed-by: tonyp, jmasa

Summary: Add check for iff->outcnt() < 2.
Reviewed-by: never

Summary: Add missing code.
Reviewed-by: never

Reviewed-by: kvn

Summary: see synopsis
Reviewed-by: johnc, jmasa

Summary: Rename marking stack sizing flags to be common between G1 and CMS
Reviewed-by: ysr, tonyp

Summary: replace the combination of the G1SteadyStateUsed / G1SteadyStateUsedDelta parameteres to decide the marking initiation threshold and instead use InitiatingHeapOccupancyPercent.
Reviewed-by: ysr, johnc

Summary: Rename G1 parameters to make them more consistent.
Reviewed-by: jmasa, johnc

Summary: There is a small typo in methodHandles_x86.cpp.
Reviewed-by: kvn

Summary: Add missing handles.inline.hpp for codeCache.cpp.
Reviewed-by: never

Reviewed-by: kvn

Summary: Matcher::float_in_double should be true only when FPU is used for floats.
Reviewed-by: never, twisti

Summary: Update the HS17 build number to 10
Reviewed-by: jcoomes

Reviewed-by: kvn