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[Bug ada/13620] [3.3 regression] gcc -O3 -fprofile-arcs causes an array initalizer to be miscompiled
- From: "laurent at guerby dot net" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 10 Jan 2004 11:31:14 -0000
- Subject: [Bug ada/13620] [3.3 regression] gcc -O3 -fprofile-arcs causes an array initalizer to be miscompiled
- References: <20040108232611.13620.debian-gcc@lists.debian.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From laurent at guerby dot net 2004-01-10 11:31 -------
A trivial workaround is to use "-largs -fprofile-arcs" when calling
gnatmake. The code generation bug is no longer present on mainline.
$ gnatls -v
GNATLS 3.4.0 20040105 (experimental) Copyright 1997-2004 Free Software
Foundation, Inc.
Source Search Path:
<Current_Directory>
/home/guerby/work/gcc/install/install-20040105T165135/lib/gcc/i686-pc-linux-gnu/3.4.0/adainclude/
Object Search Path:
<Current_Directory>
/home/guerby/work/gcc/install/install-20040105T165135/lib/gcc/i686-pc-linux-gnu/3.4.0/adalib/
$ gnatmake -f -O3 -fprofile-arcs drgnchss -largs -fprofile-arcs
gcc -c -O3 -fprofile-arcs drgnchss.adb
gcc -c -O3 -fprofile-arcs board_types.ads
gcc -c -O3 -fprofile-arcs print_board.adb
gnatbind -x drgnchss.ali
gnatlink drgnchss.ali -fprofile-arcs
$ ./drgnchss
--*---*---*-
-*-*-*-*-*-*
------------
------------
------------
------------
-*-*-*-*-*-*
--*---*---*-
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13620