[PATCH] gcc/gcc.c: add outfiles spec

[Joseph Myers]

On Sat, 4 Apr 2020, Rasmus Villemoes wrote:

> +#ifndef OUTFILES_SPEC
> +#define OUTFILES_SPEC "%o"
> +#endif

A new target macro needs to be documented in tm.texi.in, with tm.texi then 
being regenerated.

-- 
Joseph S. Myers
joseph@codesourcery.com