[Bug c++/21619] [4.0 regression] __builtin_constant_p(&"Hello"[0])?1:-1 not compile-time constant

[mark at codesourcery dot com]

------- Additional Comments From mark at codesourcery dot com  2005-06-05 17:35 -------
Subject: Re:  [4.0 regression] __builtin_constant_p(&"Hello"[0])?1:-1
 not compile-time constant

pinskia at gcc dot gnu dot org wrote:
> ------- Additional Comments From pinskia at gcc dot gnu dot org  2005-06-05 17:30 -------
> Mark this is fixed on the 4.0 branch, the middle-end part was PR 21595 and was commited to 4.0 
> branch:
> 2005-05-27  Richard Guenther  <rguenth@gcc.gnu.org>
> 
>         PR middle-end/21595
>         * builtins.c (fold_builtin_constant_p): Handle
>         &"string cst"[0] as constant.
> 
> And the testcase here works now.
> 
> Were you using an old branch to test on?

Good thought; let me just confirm.  If so, I'll add the testcase, and 
close the PR.

Thanks!



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21619