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Re: [PING^3] PR 21438 : Warning about division by zero depends on lexical form

On 02/03/07, Mark Mitchell <mark@codesourcery.com> wrote:
Joseph S. Myers wrote:

I don't know that I entirely agree that we should not warn about
1.0/0.0.  In particular, if doing that division would generate a SIGFPE
on the target, were it not folded, then it seems reasonable to warn
about it.


I think that if it generates a SIGFPE, then it is not a legitimate way
to generate infinities and NaNs.

Can I detect that from the front-end? How?

Cheers,

Manuel.

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