8162546: change hidden options -Xdebug to --debug, -XshouldStop to --should-stop, and -diags to --diags
Reviewed-by: mcimadamore
/*
* @test /nodynamiccopyright/
* @bug 6970584
* @summary Flow.java should be more error-friendly
* @author mcimadamore
*
* @compile/fail/ref=FailOver01.out -XDrawDiagnostics --should-stop:at=FLOW -XDdev FailOver01.java
*/
class Test { { x = "" } }