Reviewed-by: never

Summary: Use unknown_obj instead of empty_map for NULL or Constant Pool object constants in bytecode Escape Analyzer.
Reviewed-by: iveresov, never

Summary: Fix pure c2 builds
Reviewed-by: kvn, brutisso, never

Reviewed-by: kvn, iveresov, dholmes

Summary: Make sure that CompilationPolicy::event() doesn't throw exceptions
Reviewed-by: kvn, never

Summary: improvements of TraceMethodHandles for JSR292
Reviewed-by: never, twisti

Summary: handle not loaded array klass in Parse::do_checkcast().
Reviewed-by: kvn, never

Summary: Block::schedule_local() may write beyond end of ready_cnt array
Reviewed-by: never, kvn

Summary: Use !higher_equal() check to skip top and values which fit.
Reviewed-by: never

Summary: Change the value of Tier3BackEdgeThreshold from 7000 to 60000
Reviewed-by: kvn, never

Summary: improvements of frame_describe
Reviewed-by: never, twisti

Reviewed-by: kvn, iveresov

Reviewed-by: jcoomes

Summary: Pass correct type to branch in LIRGenerator::do_SwitchRanges()
Reviewed-by: kvn, never

Summary: Add Value() methods to short and byte Load nodes to truncate constants which does not fit.
Reviewed-by: jrose

Reviewed-by: dholmes, bdelsart, kvn, twisti

Summary: Fix exception handler stub size, enable guarantees to check for the correct deopt and exception stub sizes in the future
Reviewed-by: kvn, never, twisti

Summary: Decoder API changes did not reflect in os_bsd
Reviewed-by: kamg, dcubed

Summary: fix for debug method frame::describe
Reviewed-by: never, kvn

Summary: Made decoder thread-safe
Reviewed-by: coleenp, kamg

Reviewed-by: jcoomes

Summary: Relax verification and locks elimination checks for new implementation (EliminateNestedLocks).
Reviewed-by: iveresov

Summary: Do not common BoxLock nodes and avoid creating phis of boxes.
Reviewed-by: never