[Bug bootstrap/15971] New: [3.3.4 regression] gnatlib bootstrap error on alpha-linux

["debian-gcc at lists dot debian dot org" <gcc-bugzilla at gcc dot gnu dot org>]

reducing the optimization level to -O1 lets the compilation succeed.

 ../../xgcc -B../../ -c -g -O3 -W -Wall -gnatpg -I.
-I/home/doko/gcc/3.3/gcc-3.3-3.3.4/src/gcc/ada a-ncelfu.ads
+===========================GNAT BUG DETECTED==============================+
| 3.3.4 (Debian) (alpha-unknown-linux-gnu) GCC error:                      |
| in subreg_hard_regno, at emit-rtl.c:932                                  |
| Error detected at a-ngcefu.adb:535:43 [a-ncelfu.ads:20:1]                |
| 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-3.3 or gnatmake command that you entered.          |
| Also include sources listed below in gnatchop format                     |
| concatenated together with no headers between files.                     |
+==========================================================================+

Please include these source files with error report


compilation abandoned

[...]

../../xgcc -B../../ -c -g -O2   -g -O2   -W -Wall -gnatpg -I.
-I/home/doko/gcc/3.3/gcc-3.3-3.3.4/src/gcc/ada a-nscefu.ads
+===========================GNAT BUG DETECTED==============================+
| 3.3.4 (Debian) (alpha-unknown-linux-gnu) GCC error:                      |
| in subreg_hard_regno, at emit-rtl.c:932                                  |
| Error detected at a-ngcefu.adb:487:58 [a-nscefu.ads:20:1]                |
| 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-3.3 or gnatmake command that you entered.          |
| Also include sources listed below in gnatchop format                     |
| concatenated together with no headers between files.                     |
+==========================================================================+

Please include these source files with error report


compilation abandoned

-- 
           Summary: [3.3.4 regression] gnatlib bootstrap error on alpha-
                    linux
           Product: gcc
           Version: 3.3.4
            Status: UNCONFIRMED
          Severity: critical
          Priority: P2
         Component: bootstrap
        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
 GCC build triplet: alpha-linux
  GCC host triplet: alpha-linux
GCC target triplet: alpha-linux


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15971