Patch to warn for wide string literals with narrow formats

[Richard Henderson]

On Sat, Sep 23, 2000 at 10:58:07PM +0100, Joseph S. Myers wrote:
> 	* c-common.c (check_format_info): Warn for a wide character string
> 	used as a non-wide format argument.
> 
> 	* gcc.dg/c90-printf-1.c: Add test for wide string format.

Ok.


r~