8172311: MostSpecific09.java and PotentiallyAmbiguousWarningTest.java failing across platforms
Reviewed-by: vromero

8026699: test test/tools/javac/lambda/T8024947/PotentiallyAmbiguousWarningTest.java has an extra @compile attribute that should be removed
Reviewed-by: mcimadamore

8024947: javac should issue the potentially ambiguous overload warning only where the problem appears
Reviewed-by: jjg