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[Bug fortran/33686] FORALL loop gives wrong result
- From: "burnus at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 8 Oct 2007 11:28:45 -0000
- Subject: [Bug fortran/33686] FORALL loop gives wrong result
- References: <bug-33686-7816@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from burnus at gcc dot gnu dot org 2007-10-08 11:28 -------
> A simple program that is supposed to invert a permutation P gives wrong result
> with gfortran 4.2.1. A quite recent trunk 4.3 gfortran also gave wrong result.
I get 3, 1, 4, 3 with:
- NAG f95
- g95
- openf95
- gfortran 4.1.3 20070724; 4.2.1; 4.2.2 20070927; 4.3.0 20071008 [Rev.129121]
and 3, 1, 4, 2 with:
- ifort 9.1 and 10.0
- sunf95 (Sunstudio 11 and 12)
Now we need only to find out which compiler is right and whether the program
itself is valid. Cf. also
http://groups.google.com/group/comp.lang.fortran/browse_thread/thread/4537f1930bd87acb
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33686