Reviewed-by: ogino, yhuang

Summary: Some regression tests rely on unsupported JSR 292 features
Reviewed-by: jjg

Reviewed-by: xdono

6982992: Tests CheckAttributedTree.java, JavacTreeScannerTest.java, and SourceTreeeScannerTest.java timeout
Summary: Hoist some invariant code out of a loop
Reviewed-by: ksrini

Summary: Delete bogus echo statements
Reviewed-by: ksrini

Summary: Use cygpath if it is cygwin
Reviewed-by: ksrini

Reviewed-by: jjg

Reviewed-by: mcimadamore, alanb

Reviewed-by: darcy

Summary: Fixed JavacFileManager to not treat a non-existant pathname as a directory.
Reviewed-by: jjg

Reviewed-by: jjg, darcy

Reviewed-by: jjg

Summary: Types.java needs to be more stress-tested
Reviewed-by: jjg

Reviewed-by: mcimadamore

Reviewed-by: mcimadamore

Summary: javac does not implement overload resolution w.r.t. varargs methods as described in the JLS
Reviewed-by: jjg

Summary: regression in type conversion after 292 changes
Reviewed-by: jjg

Reviewed-by: darcy

Reviewed-by: mcimadamore

Reviewed-by: mcimadamore

Reviewed-by: mcimadamore

Summary: compiler crashes with assertion error if '-g' option is passed and source contains multicatch
Reviewed-by: jjg

Summary: compiler allows bridge methods to override unrelated method
Reviewed-by: jjg