7041019: Bogus type-variable substitution with array types with dependencies on accessibility check
Summary: call to upperBound() when performing type-variable substitution on element type leads to unsoundness
Reviewed-by: jjg

8012728: Normalize @ignore comments on langtools tests
Reviewed-by: vromero, mcimadamore

7177386: Add attribution support for method references
Summary: Add type-checking/lookup routines for method references
Reviewed-by: jjg, dlsmith

7040883: Compilation error: "length in Array is defined in an inaccessible class or interface"
Summary: Fix of 7034511 (now backed out) is causing spurious accessibility errors
Reviewed-by: jjg

7034511: Loophole in typesafety
Summary: Type-variable substutution takes upper bound of replaced captured type-variable
Reviewed-by: dlsmith