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[Bug fortran/64530] [4.9 Regression] Incorrect calculation when assigning to array with -O3
- From: "dominiq at lps dot ens.fr" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 07 Jan 2015 22:51:44 +0000
- Subject: [Bug fortran/64530] [4.9 Regression] Incorrect calculation when assigning to array with -O3
- Auto-submitted: auto-generated
- References: <bug-64530-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64530
Dominique d'Humieres <dominiq at lps dot ens.fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2015-01-07
CC| |rguenth at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
(1) The problem goes away if the code is compiled with '-O3
-fno-tree-loop-vectorize'.
(2) The bug appeared between r204000 (OK, 2013-10-24) and r204945 (buggy,
2013-11-18).