Summary: Backport from JDK9
Reviewed-by: dholmes, coffeys

8156137: SIGSEGV in ReceiverTypeData::clean_weak_klass_links
8057570: RedefineClasses() tests fail assert(((Metadata*)obj)->is_valid()) failed: obj is valid
Reviewed-by: coleenp

Summary: remove speculative traps that point to methods that are redefined
Reviewed-by: kvn, twisti

Summary: Re-application of the change in JDK-8152271.
Reviewed-by: coleenp, sspitsyn

Summary: Re-application of the change in JDK-8152271.
Reviewed-by: coleenp, sspitsyn

Summary: Fix method searches to handle static, private instance and overpass
Reviewed-by: acorn

Summary: Backport change to correct interface initialization.
Reviewed-by: gtriantafill, sspitsyn, dholmes

Reviewed-by: iklam, acorn, mschoene

Reviewed-by: iklam, acorn, mschoene

Reviewed-by: acorn, hseigel, mschoene

Reviewed-by: mgerdin, vlivanov

Summary: Removed the Solaris specific conditionalization for casting to void * within calls to HS_DTRACE_PROBE* to enable successful compilation with gcc Red Hat 4.4.6-4.
Reviewed-by: hseigel, stefank

8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale
Summary: optimize the adjust_method_entries functions by using the orig_method_idnum() function
Reviewed-by: coleenp, dcubed

Summary: use method cpref and klass version to provide meaningful methods name in stacktraces
Reviewed-by: coleenp, dcubed

Reviewed-by: jrose, acorn, vlivanov

Reviewed-by: jrose, acorn, vlivanov

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

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

Reviewed-by: fparain, dcubed, mdoerr
Contributed-by: NBill Pittore <bill.pittore@oracle.com>

Reviewed-by: jwilhelm, jmasa

Summary: Cleaned up CDS to be more configurable, maintainable and extensible
Reviewed-by: dholmes, coleenp, acorn, mchung

Summary: Don't assert if one of classes in hierarhy was redefined
Reviewed-by: coleenp, sspitsyn

Reviewed-by: coleenp, sspitsyn

Reviewed-by: dcubed, coleenp

Reviewed-by: stefank, brutisso

Reviewed-by: tschatzl, ehelin, brutisso, coleenp, roland, iveresov
Contributed-by: stefan.karlsson@oracle.com, mikael.gerdin@oracle.com

Reviewed-by: ehelin, mgerdin

8043029: Change 8037816 breaks HS build with older GCC versions which don't support diagnostic pragmas
8043164: Format warning in traceStream.hpp
Summary: Backport of main fix + two corrections, enables clang compilation, turns on format attributes, corrects/mutes warnings
Reviewed-by: kvn, coleenp, iveresov, twisti

Reviewed-by: coleenp, pliden

8031752: Failed speculative optimizations should be reattempted when root of compilation is different
Summary: support for speculative traps that keep track of the root of the compilation in which a trap occurs.
Reviewed-by: kvn, twisti

4505697: nsk/jdi/ExceptionEvent/_itself_/exevent006 and exevent008 tests fail with InvocationTargetException
Reviewed-by: dcubed, dholmes, sspitsyn

8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults.
Summary: A static method should be preferred during method resolution over an overpass, search the current class as well as its superclasses.
Reviewed-by: acorn, coleenp, kamg

Summary: Keep class in CLD::_klasses list and mirror created for CDS classes if OOM during restore_shareable_info(). This keeps pointers consistent for CMS.
Reviewed-by: ehelin, stefank, jmasa, iklam

Summary: Remove search in system dictionary and hacks, replace with verifying in CLD::_klasses list.
Reviewed-by: dcubed, acorn

Summary: remove_osr_nmethod doesn't check that it is the correct method
Reviewed-by: kvn, iveresov

Reviewed-by: dholmes, kvn, stefank, twisti

8156137: SIGSEGV in ReceiverTypeData::clean_weak_klass_links
8057570: RedefineClasses() tests fail assert(((Metadata*)obj)->is_valid()) failed: obj is valid
Reviewed-by: coleenp

Summary: remove speculative traps that point to methods that are redefined
Reviewed-by: kvn, twisti

Summary: Create AME overpass methods and fix method search logic
Reviewed-by: kamg, acorn, lfoltan, coleenp

Summary: Reducing the number of calls to follow_class_loader to speed up the marking phase. Also removed some unnecessary calls to adjust_klass.
Reviewed-by: stefank, jmasa, mgerdin