8079470: Misleading error message when explicit signature constructor is called with wrong arguments Reviewed-by: jlaskey, hannesw

1,2,3,4,5,6
first: true
1,2,3,4,5,6
1,2,3,,,,4711.17,dingo!,4,5,6
second: true
1,2,3,,,,4711.17,dingo!,4,5,6