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Re: [Patch / RFA] Use builtins for the classification macros

Richard Guenther wrote:
> I see it ICEs with __builtin_isnormal substituted.
>   
Good ;)

As I said, that's the core issue, after all: at variance with the other
builtins in this family, some error checking on argument type seems missing.

Paolo.

PS: Seriously, I'm not sure why the original testcase was not ICEing for
you, maybe the effect of a different configuration (C99 facilities
completely disabled?) or a local patch...
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