Reviewed-by: sgehwolf, andrew

Reviewed-by: andrew

8155951: VM crash in nsk/jvmti/RedefineClasses/StressRedefine: assert failed: Corrupted constant pool
8151066: assert(0 <= i && i < length()) failed: index out of bounds
Summary: lock classes for redefinition because constant pool merging isn't thread safe, use method constant pool because constant pool merging doesn't make equivalent cpCaches because of invokedynamic
Reviewed-by: shade, andrew

8226798: JVM crash in klassItable::initialize_itable_for_interface(int, InstanceKlass*, bool, Thread*)
Summary: When calculating vtable size at class load time, do not look for miranda method if matching package private method is found in a super class.
Reviewed-by: acorn, lfoltan

Summary: Cast to void* within DTRACE_CLASS* macros.
Reviewed-by: coleenp, shade

Summary: Implement _lh_array_tag_type_value as const, not enum.
Reviewed-by: vlivanov, minqi

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