8076543: Add @modules as needed to the langtools testsReviewed-by: jjg, shurailine
8031383: Error recovery in JavacParser could be improvedSummary: Improving error recovery in JavacParser by avoiding artificial nextToken in JavacParser.reportSyntaxError.Reviewed-by: jjg, jfranckContributed-by: dusan.balek@oracle.com, jan.lahoda@oracle.com
8030091: Request to update error messages from javac for negative varargs test casesSummary: Introducing a new error message for vararg parameter not being the last parameter, improving error message for unexpected character after a parameter.Reviewed-by: jjg, sogoel
8005282: Use @library tag with non-relative path for javac testsReviewed-by: jjg
6988407: javac crashes running processor on errant code; it used to print error messageReviewed-by: darcy