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[Bug middle-end/34884] [4.3 Regression] gfortran.dg/array_constructor_9.f90
- From: "steven at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 21 Jan 2008 14:38:16 -0000
- Subject: [Bug middle-end/34884] [4.3 Regression] gfortran.dg/array_constructor_9.f90
- References: <bug-34884-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #23 from steven at gcc dot gnu dot org 2008-01-21 14:38 -------
> The similar
> condition for reaching definitions is not liveness, but absence of
> uses. To trim reaching definitions, one should really be looking at
> the last reachable use of a definition, and trim from there.
Just to clarify, this trimming still changes the result of the reaching
definitions problem, but should not change the resulting DEF-USE chains.
For the reaching definitions problem itself, I don't see any way to trim it.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34884