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[Bug tree-optimization/49911] SRA + DOM + VRP + -fstrict-enums incorrectly remove predicate
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 11 Aug 2011 13:37:00 +0000
- Subject: [Bug tree-optimization/49911] SRA + DOM + VRP + -fstrict-enums incorrectly remove predicate
- Auto-submitted: auto-generated
- References: <bug-49911-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49911
--- Comment #14 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-08-11 13:37:00 UTC ---
(In reply to comment #13)
> (In reply to comment #6)
> > Still SRA should probably not produce enum kind replacements but always
> > integer kind ones.
> >
>
> I see, what would be the best way of obtaining the proper pure integer
> type from an ENUMERAL_TYPE (or its TREE_TYPE)? Poking around in
> tree.h did not reveal anything obvious so far...
build_nonstandard_integer_type (TYPE_PRECISION (enum_type), TYPE_UNSINGED
(enum_type));