Reviewed-by: ohair, kvn

Summary: Pass correct value for length to NumberSeq constructor. Guard dereferences of "body_summary" pointer with a NULL check.
Reviewed-by: tonyp, ysr

Summary: Emit a fake frame that makes it look like the thread is in the OutOfMemoryError zero-parameter constructor
Reviewed-by: dcubed

Summary: Fixed comment/documentation typos; converted some guarantee()s to assert()s.
Reviewed-by: jmasa

Summary: Update the Major and Build numbers for HS20
Reviewed-by: jcoomes

Summary: Use javac's @filename construct to avoid long compile lines
Reviewed-by: ohair, twisti, never
Contributed-by: doko@ubuntu.com

Summary: See synopsis
Reviewed-by: ohair

Summary: Must check locals for null when processing chop frame
Reviewed-by: dholmes, dcubed