6910618: C2: Error: assert(d->is_oop(),"JVM_ArrayCopy: dst not an oop") Summary: Mark in PcDesc call sites which return oop and save the result oop across objects reallocation during deoptimization. Reviewed-by: never

6910605: C2: NullPointerException/ClassCaseException is thrown when C2 with DeoptimizeALot is used Summary: Set the reexecute bit for runtime calls _new_array_Java when they used for _multianewarray bytecode. Reviewed-by: never

6923002: assert(false,"this call site should not be polymorphic") Summary: Clear the total count when a receiver information is cleared. Reviewed-by: never, jrose

6920293: OptimizeStringConcat causing core dumps Reviewed-by: kvn, twisti

Merge

6587322: dtrace probe object__alloc doesn't fire in some situations on amd64 Summary: Fix misplaced probe point Reviewed-by: rasbold, phh Contributed-by: neojia@gmail.com

Merge

6914402: G1: assert(!is_young_card(cached_ptr),"shouldn't get a card in young region") Summary: Invalid assert. Filter cards evicted from the card count cache instead. Reviewed-by: apetrusenko, tonyp

6904516: More object array barrier fixes, following up on 6906727 Summary: Fixed missing pre-barrier calls for G1, modified C1 to call pre- and correct post-barrier interfaces, deleted obsolete interface, (temporarily) disabled redundant deferred barrier in BacktraceBuilder. Reviewed-by: coleenp, jmasa, kvn, never

6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash Summary: Interval checking is now being performed on the values passed in for these two flags. The current acceptable range for RefDiscoveryPolicy is [0..1], and for TLABWasteTargetPercent it is [1..100]. Reviewed-by: apetrusenko, ysr