8168774: Polymorhic signature method check crashes javac
Summary: Check for polysig method assumes arity is greater than zero
Reviewed-by: vromero
/*
* @test /nodynamiccopyright/
* @bug 7042623
* @summary Regression: javac silently crash when attributing non-existent annotation
* @compile/fail/ref=T7042623.out -XDrawDiagnostics -XDdev T7042623.java
*/
@interface Defined2 {}
@Undefined1(@Defined2)
class Test1{}