8056897: Improve error recovery for empty binary and hexadecimal literals.
Reviewed-by: mcimadamore
/* @test /nodynamiccopyright/
* @bug 6891079 8056897
* @summary Compiler allows invalid binary literals 0b and oBL
* @compile/fail/ref=T6891079.out -XDrawDiagnostics T6891079.java
*/
class Test {
int bi = 0B;
long bl = 0BL;
int xi = 0X;
long xl = 0XL;
}