Summary: Prevent downgraded compilation tasks from recompiling.
Reviewed-by: sgehwolf, thartmann, andrew

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

Reviewed-by: acorn, coleenp, kvn, vlivanov

Reviewed-by: acorn, hseigel, ahgross, rhalade

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

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

Reviewed-by: coleenp, eosterlund, mchung, ahgross, rhalade

Reviewed-by: coleenp, eosterlund, mchung, ahgross, rhalade

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

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

Reviewed-by: acorn, ahgross, jwilhelm, rhalade
Contributed-by: harold.seigel@oracle.com

Reviewed-by: jrose, coleenp, ahgross, acorn, vlivanov

Reviewed-by: coleenp, kevinw
Contributed-by: rachel.protacio@oracle.com

Summary: We need to check ConstMethod::method() for NULL before dereferencing.
Reviewed-by: kvn, iignatyev

Reviewed-by: coleenp, mschoene
Contributed-by: harold.seigel@oracle.com

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: Use Patching_lock to synchronize access between set_code() and clear_code().
Reviewed-by: kvn, dlong

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

Reviewed-by: kevinw, vlivanov

Reviewed-by: kevinw, vlivanov

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

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

Summary: Method::deallocate_contents() should clear 'this' from list of Methods in JNIMethodBlock, when class is unloaded.
Reviewed-by: coleenp, dholmes

Summary: Track initialized final field updates; disable constant folding if an update is detected.
Reviewed-by: vlivanov, dnsimon, forax, never, kvn, coleenp

Summary: Method::deallocate_contents() should clear 'this' from list of Methods in JNIMethodBlock, when class is unloaded.
Reviewed-by: coleenp, dholmes

Reviewed-by: iklam, acorn, mschoene

Reviewed-by: iklam, acorn, mschoene

Reviewed-by: acorn, hseigel, mschoene

Reviewed-by: coleenp

Reviewed-by: coleenp

Reviewed-by: kvn, jrose, kevinw, ahgross

Reviewed-by: kvn, jrose, kevinw, ahgross

Reviewed-by: coleenp, roland

Reviewed-by: mgerdin, vlivanov

Reviewed-by: kvn

Summary: Optimize the method pointer adjustments for prev klass versions and MNT
Reviewed-by: dcubed, coleenp

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