8056897: Improve error recovery for empty binary and hexadecimal literals.
Reviewed-by: mcimadamore
T6891079.java:8:14: compiler.err.invalid.binary.number
T6891079.java:9:15: compiler.err.invalid.binary.number
T6891079.java:10:14: compiler.err.invalid.hex.number
T6891079.java:11:15: compiler.err.invalid.hex.number
4 errors