Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell

6700102: c2 assertion "counter_changed,"failed dependencies, but counter didn't change")" with AggressiveOpts
Summary: Bytecode Escape Analyzer does not have the check for the case described in 6389127.
Reviewed-by: never

6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments
Summary: bcEscapeAnalyzer does not analyze methods with no oop arguments.
Reviewed-by: rasbold

Summary: Use MDO to cache arguments escape state determined by the byte code escape analyzer.
Reviewed-by: never