Merge

8042347: javac, Gen.LVTAssignAnalyzer should be refactored, it shouldn't be a static class Reviewed-by: mcimadamore, jjg, jlahoda

8054210: NullPointerException when compiling specific code. Reviewed-by: vromero, jlahoda

8055500: fix for 8030046 is incorrect Reviewed-by: jjg, ksrini

8057753: Test langtools/test/tools/javac/NoClass.java is failing when run together with langtools/test/tools/javac/DuplicateImport.java Summary: Removing javac/NoClass test, as it is superseded by javac/importChecks/InvalidImportsNoClasses.java Reviewed-by: jfranck

8055514: Wrong, confusing error when non-static varargs referenced in static context Summary: Improved heuristics in MethodResolutionPhase.mergeResults() Reviewed-by: vromero

8056021: checkin for JDK-8027262 breaks Checker Framework Reviewed-by: jjg, mcimadamore

8056984: Exception in compiler: java.lang.AssertionError: isSubClass T Summary: Must use type variable's captured bound as a method receiver, instead of the type variable itself, while checking if deferred attribution is needed. Reviewed-by: mcimadamore, vromero

8056014: Type inference may be skipped for a complex receiver generic method in a parameter position Summary: When checking if deferred attribution is needed for a chain of methods, stop on any method that returns any type variable, as the rest of analysis cannot use the correct type. Reviewed-by: mcimadamore, vromero

8055079: Group 9c: golden files for tests in tools/javac dir Reviewed-by: jjg