[PATCH] add g_nonstandard_bool attribute for GIMPLE FE use

[Joseph Myers]

On Sun, 13 Dec 2020, Martin Sebor via Gcc-patches wrote:

> "nonstandard" isn't a very descriptive name.  The leading g_ prefix
> also looks a little too terse (is that supposed to stand dor GIMPLE?).
> I would suggest choosing a better name, say, bool_precision.  Since

Indeed, g_ suggests the GLib API to me, so a name not involving g_ or 
"nonstandard" seems better.

The principle of a GIMPLE-front-end-specific attribute for this sort of 
thing seems reasonable to me.

-- 
Joseph S. Myers
joseph@codesourcery.com