8168774: Polymorhic signature method check crashes javac
Summary: Check for polysig method assumes arity is greater than zero
Reviewed-by: vromero
AnchorTest.java:20: error: anchor already defined: "foo"
* <a name=foo></a>
^
AnchorTest.java:25: error: invalid name for anchor: ""
* <a name=></a>
^
AnchorTest.java:30: error: invalid name for anchor: "123"
* <a name=123 ></a>
^
AnchorTest.java:35: error: no value given for anchor
* <a name ></a>
^
AnchorTest.java:47: error: anchor already defined: "foo"
* <a id=foo></a>
^
AnchorTest.java:52: error: invalid name for anchor: ""
* <a id=></a>
^
AnchorTest.java:52: error: anchor already defined: ""
* <a id=></a>
^
AnchorTest.java:57: error: invalid name for anchor: "123"
* <a id=123 ></a>
^
AnchorTest.java:57: error: anchor already defined: "123"
* <a id=123 ></a>
^
AnchorTest.java:62: error: no value given for anchor
* <a id ></a>
^
AnchorTest.java:74: error: anchor already defined: "foo"
* <p id=foo>text</p>
^
AnchorTest.java:79: error: invalid name for anchor: ""
* <p id=>text</p>
^
AnchorTest.java:79: error: anchor already defined: ""
* <p id=>text</p>
^
AnchorTest.java:84: error: invalid name for anchor: "123"
* <p id=123 >text</p>
^
AnchorTest.java:84: error: anchor already defined: "123"
* <p id=123 >text</p>
^
AnchorTest.java:89: error: no value given for anchor
* <p id >text</p>
^
16 errors