[Bug ada/15405] New: [3.4/3.5 regression] Bug box, verify_flow_info failed when using -funroll-all-loops -O1

["ludovic dot brenta at insalien dot org" <gcc-bugzilla at gcc dot gnu dot org>]

procedure Test_105 is
       x: float;
    begin
       for i in 1..10 loop
          x := float(i);
       end loop;
    exception
       when others => null;
    end Test_105;

$ gcc -c test105.adb -funroll-all-loops -O1

+===========================GNAT BUG DETECTED==============================+
| 3.5.0 20040327 (experimental) (i686-pc-linux-gnu) verify_flow_info failed|
| Error detected at test105.adb:9:5                                        |
| Please submit a bug report; see http://gcc.gnu.org/bugs.html.            |
| Include the entire contents of this bug box in the report.               |
| Include the exact gcc or gnatmake command that you entered.              |
| Also include sources listed below in gnatchop format                     |
| (concatenated together with no headers between files).                   |
+==========================================================================+

-- 
           Summary: [3.4/3.5 regression] Bug box, verify_flow_info failed
                    when using -funroll-all-loops -O1
           Product: gcc
           Version: 3.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: ada
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: ludovic dot brenta at insalien dot org
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15405