Mainline failed to bootstrap on Linux/x86

["H. J. Lu" <hjl at lucon dot org>]

Mainline failed to bootstrap on Linux/x86 since 04-29. I got

stage1/xgcc -Bstage1/ -B/usr/gcc-3.4/i686-pc-linux-gnu/bin/ -c -g -O2
-gnatpg -gnata -I- -I. -Iada -I/net/gnu/export/gnu/src/gcc/gcc/gcc/ada
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/comperr.adb -o ada/comperr.o
+===========================GNAT BUG DETECTED==============================+
| 3.4 20030430 (experimental) (i686-pc-linux-gnu) GCC error:               |
| in tree_low_cst, at tree.c:3274                                          |
| Error detected at /net/gnu/export/gnu/src/gcc/gcc/gcc/ada/types.ads:183:59|
| 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).                   |
+==========================================================================+
                                                                                
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.

/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/comperr.adb
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/comperr.ads
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/atree.ads
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/alloc.ads
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/sinfo.ads
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/types.ads
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/uintp.ads
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/table.ads
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/urealp.ads
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/einfo.ads
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/snames.ads
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/debug.ads
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/errout.ads
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/fname.ads
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/gnatvsn.ads
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/lib.ads
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/namet.ads
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/osint.ads
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/output.ads
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/sinput.ads
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/casing.ads
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/sprint.ads
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/sdefault.ads
/net/gnu/export/gnu/src/gcc/gcc/gcc/ada/treepr.ads
                                                                                
compilation abandoned
make[4]: *** [ada/comperr.o] Error 1
make[4]: Leaving directory `/export/build/gnu/gcc/build-i686-linux/gcc'
make[3]: *** [stage2_build] Error 2
make[3]: Leaving directory `/export/build/gnu/gcc/build-i686-linux/gcc'
make[2]: *** [bootstrap] Error 2


H.J.