[Bug ada/13620] New: [3.3 regression] gcc -O3 -fprofile-arcs causes an array initalizer to be miscompiled

[debian-gcc at lists dot debian dot org]

[forwarded from http://bugs.debian.org/226244]

seen with 3.3 CVS 20031229, works ok with 3.2.3, link error with head.

This is where I gave up on narrowing it down.

--*---*---*-
-*-*-*-*-*-*
------------
------------
------------
------------
-*-*-*-*-*-*
--*---*---*-

is what it should look like,

------*---*-
-*-*-*-*-*-*
------------
------------
------------
------------
-*-*-*-*-*-*
--*---*---*-

is what it looks like with -O3 -fprofile-arcs. As you can see from the
initalizer below, a gold basilisk is missing from the board. If I remove
the upper two layers that aren't being printed out, it stops
miscompiling.

-- 
           Summary: [3.3 regression] gcc -O3 -fprofile-arcs causes an array
                    initalizer to be miscompiled
           Product: gcc
           Version: 3.3.3
            Status: UNCONFIRMED
          Severity: critical
          Priority: P2
         Component: ada
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: debian-gcc at lists dot debian dot org
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13620