[Bug bootstrap/32675] New: verify_stmts failed during Ada bootstrap

["cato at df dot lth dot se" <gcc-bugzilla at gcc dot gnu dot org>]

Ada fails bootstrap on i386-unknown-netbsdelf3.1:
/gcctmp/agcc070708/build/./prev-gcc/xgcc -B/gcctmp/agcc070708/build/./prev-gcc/
-B/usr/local/i386-unknown-netbsdelf3.1/bin/ -c -g -O2 -fomit-frame-pointer     
-gnatpg -gnata -nostdinc -I- -I. -Iada -I../../gcc/gcc/ada
../../gcc/gcc/ada/exp_dbug.adb -o ada/exp_dbug.o
../../gcc/gcc/ada/exp_dbug.adb: In function
'Exp_Dbug.Prepend_String_To_Buffer':../../gcc/gcc/ada/exp_dbug.adb:981: error:
invalid array index
(<unnamed-signed:32>) MAX_EXPR <D.2761_31, 0> + 1;

+===========================GNAT BUG DETECTED==============================+
| 4.3.0 20070708 (experimental) (i386-unknown-netbsdelf3.1) GCC error:     |
| verify_stmts failed                                                      |
| Error detected around ../../gcc/gcc/ada/exp_dbug.adb:981                 |
| Please submit a bug report; see http://gcc.gnu.org/bugs.html.            |
[...]


This error was introduced by revision 126149:
   2007-06-30  Daniel Berlin  <dberlin@dberlin.org>        
        Fix PR tree-optimization/32540
        Fix PR tree-optimization/31651
        * tree-ssa-sccvn.c: New file.
        * tree-ssa-sccvn.h: Ditto.
        [...]


The build is configured using --enable-languages="c,ada".

The source tree has the following patch applied to fix an unrelated bootstrap
problem on NetBSD:
   http://gcc.gnu.org/ml/gcc-patches/2007-06/msg02159.html


-- 
           Summary: verify_stmts failed during Ada bootstrap
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: cato at df dot lth dot se
 GCC build triplet: i386-unknown-netbsdelf3.1
  GCC host triplet: i386-unknown-netbsdelf3.1
GCC target triplet: i386-unknown-netbsdelf3.1


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32675