Summary: Remove AND operation only if mask is equal to shift.
Reviewed-by: never

Summary: Mismatch in some header copyrights from standard templates
Reviewed-by: jcoomes

Summary: Changed license headers to GPL
Reviewed-by: tonyp, rasbold

Summary: Escape Analysis fixes.
Reviewed-by: never, rasbold

Summary: fix several problems in C2 related to Escape Analysis and Compressed Oops.
Reviewed-by: never, jrose