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

Reviewed-by: goetz, mdoerr
Contributed-by: NHiroshi H Horii <horii@jp.ibm.com>

Reviewed-by: goetz

Reviewed-by: dholmes, aph
Contributed-by: NAndrew Haley <aph@redhat.com>

8073139: PPC64: User-visible arch directory and os.arch value on ppc64le cause issues with Java tooling
Reviewed-by: erikj, goetz, dholmes

Reviewed-by: tschatzl, sjohanss

Reviewed-by: dholmes, lfoltan

Summary: Fix memory overuse in g1CodeCacheRemset
Reviewed-by: tschatzl

Summary: Made EMPTY_STACK non-const, so it will not be placed in read-only BSS section.
Reviewed-by: stuefe, martin
Contributed-by: zhaixiang@loongson.cn

Summary: Events can trigger before ResourceMark is usable: move use from writeEvent() to print_val().
Reviewed-by: dholmes, ysuenaga, mlarsson

Summary: Add os::vsnprintf and os::snprintf.
Reviewed-by: kbarrett, lfoltan, stuefe, mlarsson

Summary: update call to disassembler() function to match new signature used by Binutils
Reviewed-by: gromero, kvn

Summary: replace Unicode left/right double quote pair with normal ASCII double quotes
Reviewed-by: jrose

Reviewed-by: tschatzl, kvn
Contributed-by: NLeslie Zhai <lesliezhai-hotspot@llvm.org.cn>

Reviewed-by: simonis, adinn, jrose

Summary: Created tests for the feature
Reviewed-by: mseledtsov

Reviewed-by: tschatzl

Reviewed-by: dholmes

Reviewed-by: dholmes

8206454: [8u] os::current_stack_pointer() fails to compile on later Windows compilers (warning C4172: returning address of local variable)
Reviewed-by: dholmes, kbarrett

Reviewed-by: bobv, dbuck

Summary: Add resolved_references and init_lock as hidden static field in class so root is found.
Reviewed-by: dholmes, coleenp

8204872: [8u] VS2017: more instances of "error C3680: cannot concatenate user-defined string literals with mismatched literal suffix identifiers"
Reviewed-by: dholmes

Summary: The inline assembler for the S390 (S390 and not _LP64) has src and dst reversed thereby corrupting data
Reviewed-by: shade
Contributed-by: NMartin Balao <mbalao@redhat.com>

Summary: Inform G1's SATB that a klass has been resurrected and it should not be unloaded
Reviewed-by: coleenp, tschatzl, kbarrett

Reviewed-by: aph

Reviewed-by: roland

Reviewed-by: dholmes

Reviewed-by: ctornqvi, coleenp, gtriantafill, dholmes

Summary: Introduce specific casts to fix multiple type cast conversion compilation errors.
Reviewed-by: coffeys, lfoltan, gtriantafill, hseigel

Summary: Corrected stubName to montgomery_multiply for inline_montgomeryMultiply()
Reviewed-by: aph, thartmann, zmajo

Summary: add missing includes
Reviewed-by: coleenp, stefank, sgehwolf, dholmes

Reviewed-by: dholmes, erikj

Summary: Improve the nmethod unloading times by optimizing the search for an itable stub in VtableStubs array
Reviewed-by: kvn, coleenp, tschatzl

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: The dead_nodes counter in verify_graph_edges(..) has the type bool but is used as int.
Reviewed-by: roland, anoll

Summary: Change types to eliminate implicit narrowing, and other cleanups.
Reviewed-by: kbarrett, dholmes, tbenson

Summary: Made ideal_reg consistently uint.
Reviewed-by: kvn, iveresov

Summary: Correctly perform a 64 bit shift when setting SlowSignatureHandler::_fp_identifiers.
Reviewed-by: lfoltan, gtriantafill, hseigel
Contributed-by: kim.barrett@oracle.com, lois.foltan@oracle.com

8081202: Hotspot compile warning: "Invalid suffix on literal; C++11 requires a space between literal and identifier"
Summary: Need to add a space between macro identifier and string literal
Reviewed-by: bpittore, stefank, dholmes, kbarrett