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[Bug middle-end/17564] [4.0 Regression] New treatment of function pointers when used with equality operators, when casts are involved
- From: "dave at hiauly1 dot hia dot nrc dot ca" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 28 Nov 2004 23:16:46 -0000
- Subject: [Bug middle-end/17564] [4.0 Regression] New treatment of function pointers when used with equality operators, when casts are involved
- References: <20040919231932.17564.danglin@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From dave at hiauly1 dot hia dot nrc dot ca 2004-11-28 23:16 -------
Subject: Re: [4.0 Regression] New treatment of function
> Do you think we could canonicalize only when
> we compare a function pointer to a function pointer
> (rather than when comparing a function pointer to a void pointer)? Would
> that
> do the trick, or would it lead to further trouble?
That seems correct to me. Similarly, we wouldn't want canonicalization
when comparing a function pointer with an integer.
> Tentative, untested patch attached.
I'll give it a try.
Dave
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17564