6583275: Hotspot crash in vm_perform_shutdown_actions due to uninitialized TLS during out of memory handling Summary: Call get_thread_slow() in vm_perform_shutdown actions and add null check. Reviewed-by: kvn, dholmes, jcoomes

6302804: Hotspot VM dies ungraceful death when C heap is exhausted in various places. Summary: enhance the error reporting mechanism to help user to fix the problem rather than making it look like a VM error. Reviewed-by: kvn, kamg

Merge

7009849: C1: Incorrect frame size computation Summary: Fix frame size computation Reviewed-by: phh, kvn

6928562: Assert(_no_handle_mark_nesting==0,"allocating handle inside NoHandleMark") Summary: reset NoHandleMark before going into VM. Reviewed-by: iveresov

7008325: CodeCache exhausted on sparc starting from hs20b04 Summary: remove clear_scratch_buffer_blob and let init_scratch_buffer_blob free and allocate a new blob if required. Reviewed-by: twisti

7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected Summary: Bailout StringConcat optimization if null is passed to StringBuffer constructor. Reviewed-by: iveresov

7009231: C1: Incorrect CAS code for longs on SPARC 32bit Summary: Fix CAS of longs on SPARC 32bit and cmove on SPARC 64bit. Reviewed-by: kvn

7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot Reviewed-by: kvn, jrose

7008466: Tiered: Enable testing of tiered compilation in JPRT Summary: Add running specjvm98 and specjbb2005 with tiered compilation enabled with JPRT. Reviewed-by: kvn