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[Bug fortran/44945] [4.6 Regression] Wrong decl for module vars / FAIL: gfortran.dg/char_array_structure_constructor.f90
- From: "dominiq at lps dot ens dot fr" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 24 Jul 2010 07:49:48 -0000
- Subject: [Bug fortran/44945] [4.6 Regression] Wrong decl for module vars / FAIL: gfortran.dg/char_array_structure_constructor.f90
- References: <bug-44945-12313@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #23 from dominiq at lps dot ens dot fr 2010-07-24 07:49 -------
(In reply to comment #22)
> > In my opinion revision 162487 is only a partial fix of the problem. If I split
> > a modified test case in two files [...] I still get [...] Bus error
>
> Does -flto help?
Yes:
[macbook] f90/bug% gfc -flto -fwhole-file -m32 -O3 -fomit-frame-pointer
char_array_structure_constructor_db_1.f90
char_array_structure_constructor_db_2.f90
[macbook] f90/bug% a.out
[macbook] f90/bug%
> > Note that it is not surprising since -fwhole-file operates at the file level.
>
> Well, the middle-end also operates on single-file level: Thus, there is no
> reason to break.
I am not sure to understand the comment. In my opinion, valid multifile fortran
should never be miscompiled (and should not require -lto to do so!-).
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44945