6666698: EnableBiasedLocking with BiasedLockingStartupDelay can block Watcher thread Summary: Enqueue VM_EnableBiasedLocking operation asynchronously Reviewed-by: never, xlu, kbr, acorn

6655385: Disable frame pointer omission in jvm.dll on Windows for better crash logs Summary: Add /Oy- C++ compiler option on Windows Reviewed-by: phh, never, ysr

6549844: Wording problems in "An unexpected error ..." Summary: Changed wording to "A fatal error.." also don't claim it's not VM bug if in hotspot compilers (Java thread in native). Reviewed-by: jjh, sbohne, jrose, never

6610420: Debug VM crashes during monitor lock rank checking Summary: Make SerializePage lock as raw lock and add name for mutex locks Reviewed-by: never, dice, dholmes

6598190: JPRT tests fail when run with -XX:+CheckUnhandledOops Summary: Work around Sun Studio C++ compiler bug 6629277 in dependencies.cpp Reviewed-by: kamg, sgoldman, pbk

6631248: Memory problem when doing invalid type cast Summary: Changed memory allocation method for exception method Reviewed-by: ysr, never

Merge

6667089: 3/3 multiple redefinitions of a class break reflection Summary: Use instanceKlass::method_with_idnum() instead of slot() to work with RedefineClasses(). Reviewed-by: sspitsyn

6452081: 3/4 Allow for Linux builds with Sun Studio Linux compilers Summary: (for Serguei) Allow for Linux builds with Sun Studio Linux compilers Reviewed-by: sspitsyn, ohair

6453355: 4/4 new No_Safepoint_Verifier uses fail during GC Summary: (for Serguei) Clean up use of No_Safepoint_Verifier in JVM TI Reviewed-by: dcubed

6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure Summary: Add should_not_be_cached() to markOop and methodOop and query that status inOopMapCache::lookup() Reviewed-by: coleenp, sspitsyn, jmasa

6497639: 4/3 Profiling Swing application caused JVM crash Summary: Make RedefineClasses() interoperate better with class sharing. Reviewed-by: sspitsyn, jmasa

Merge

6667615: (Escape Analysis) extend MDO to cache arguments escape state Summary: Use MDO to cache arguments escape state determined by the byte code escape analyzer. Reviewed-by: never

6667620: (Escape Analysis) fix deoptimization for scalar replaced objects Summary: Deoptimization code for reallocation and relocking scalar replaced objects has to be fixed. Reviewed-by: rasbold, never

6623167: C2 crashed in StoreCMNode::Value Summary: C2 crashed in StoreCMNode::Value because n->in(MemNode::OopStore) is 0. Reviewed-by: rasbold, never

Merge

6667605: (Escape Analysis) inline java constructors when EA is on Summary: java constructors should be inlined to be able scalar replace a new object Reviewed-by: rasbold

6670459: Fix Node::dump() performance Summary: dump full ideal graph takes forever. Reviewed-by: never, rasbold

6667612: (Escape Analysis) disable loop cloning if it has a scalar replaceable allocation Summary: Cloning an allocation will not allow scalar replacement since memory operations could not be associated with one allocation. Reviewed-by: rasbold

6667610: (Escape Analysis) retry compilation without EA if it fails Summary: During split unique types EA could exceed nodes limit and fail the method compilation. Reviewed-by: rasbold

6671250: In Parse::do_if() old Cmp node 'c' should be replaced with new one after BoolNode transformation Summary: In Parse::do_if() 'c' (CmpNode) node may be changed during BoolNode transformation so 'c' may became dead but the node is referenced later in the code. Reviewed-by: never

6667618: disable LoadL->ConvL2I ==> LoadI optimization Summary: this optimization causes problems (sizes of Load and Store nodes do not match) for objects initialization code and Escape Analysis Reviewed-by: jrose, never

6667588: Don't generate duplicated CMP for float/double values Summary: float CMove generation add duplicated CMPF if there are more then one Move depending on the condition. Reviewed-by: jrose, never, rasbold

6667581: Don't generate initialization (by 0) code for arrays with size 0 Summary: generate_arraycopy() does not check the size of allocated array. Reviewed-by: jrose, never

6667580: Optimize CmpP for allocations Summary: CmpP could be optimized out if it compares new allocated objects. Reviewed-by: jrose, never, rasbold

6667573: Use set_req_X() in AddPNode::Ideal() for Iterative GVN Summary: set_req_X() puts dependent nodes on IGVN worklist which allows to improve graph and gives more opportunities for EA scalar replacement. Reviewed-by: jrose, never

6590177: jck60019 test assert(!repeated,"do not walk merges twice") Summary: A mergemem node could be not in worklist_store but in should_not_repeat vectorset since it was processed and removed from worklist_store before. Reviewed-by: jrose, never

6610906: inexplicable IncompatibleClassChangeError Summary: dependency check must treat polymorphic interfaces consistently Reviewed-by: kvn, never, sgoldman

6633953: type2aelembytes{T_ADDRESS} should be 8 bytes in 64 bit VM Summary: T_ADDRESS size is defined as 'int' size (4 bytes) but C2 use it for raw pointers and as memory type for StoreP and LoadP nodes. Reviewed-by: jrose