[Bug bootstrap/42068] New: [4.5 regression] ICE in function_and_variable_visibility breaks Tru64 UNIX Ada bootstrap

[ro at gcc dot gnu dot org]

Between 20091106 and 20091113 (rev 154146), bootstrap of both alpha-dec-osf4.0f
and alpha-dec-osf5.1b failed in stage2 compiling ada/s-bitops.adb:

% /tmp_mnt/vol/gcc/obj/gcc-4.5.0-20091113/4.0f-gcc/./prev-gcc/xgcc
-B/tmp_mnt/vol/gcc/obj/gcc-4.5.0-20091113/4.0f-gcc/./prev-gcc/
-B/vol/gcc/alpha-dec-osf4.0f/bin/ -B/vol/gcc/alpha-dec-osf4.0f/bin/
-B/vol/gcc/alpha-dec-osf4.0f/lib/ -isystem /vol/gcc/alpha-dec-osf4.0f/include
-isystem /vol/gcc/alpha-dec-osf4.0f/sys-include    -c -g -O2  -gnatpg -gnata
-nostdinc -I- -I. -Iada -I/vol/gcc/src/gcc-dist/gcc/ada
-I/vol/gcc/src/gcc-dist/gcc/ada/gcc-interface
/vol/gcc/src/gcc-dist/gcc/ada/s-bitops.adb -o ada/s-bitops.o
+===========================GNAT BUG DETECTED==============================+
| 4.5.0 20091113 (experimental) [trunk revision 154146] (alpha-dec-osf4.0f) GCC
error:|
| in function_and_variable_visibility, at ipa.c:322                        |
| Error detected around /vol/gcc/src/gcc-dist/gcc/ada/s-bitops.adb:215:1   |
| Please submit a bug report; see http://gcc.gnu.org/bugs.html.            |
| Use a subject line meaningful to you and us to track the bug.            |
| 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).                   |
+==========================================================================+

Please include these source files with error report
Note that list may not be accurate in some cases,
so please double check that the problem can still
be reproduced with the set of files listed.
Consider also -gnatd.n switch (see debug.adb).

/vol/gcc/src/gcc-dist/gcc/ada/system.ads
/vol/gcc/src/gcc-dist/gcc/ada/s-bitops.adb
/vol/gcc/src/gcc-dist/gcc/ada/s-bitops.ads
/vol/gcc/src/gcc-dist/gcc/ada/s-unstyp.ads
/vol/gcc/src/gcc-dist/gcc/ada/ada.ads
/vol/gcc/src/gcc-dist/gcc/ada/a-unccon.ads


raised TYPES.UNRECOVERABLE_ERROR : comperr.adb:423
make[3]: *** [ada/s-bitops.o] Error 1

This is most likely due to one of Jan's recent commits.


-- 
           Summary: [4.5 regression] ICE in function_and_variable_visibility
                    breaks Tru64 UNIX Ada bootstrap
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: ro at gcc dot gnu dot org
 GCC build triplet: alpha-dec-osf*
  GCC host triplet: alpha-dec-osf*
GCC target triplet: alpha-dec-osf*


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42068