seen with trunk 20091226, lowering optimization to -O1 works around the
problem.
Matthias
if [ x"-fPIC" != x ]; then \
/home/doko/gcc/gcc-4.5-4.5-20091226/build/./prev-gcc/xgcc
-B/home/doko/gcc/gcc-4.5-4.5-20091226/build/./prev-gcc/
-B/usr/alpha-linux-gnu/bin/ -B/usr/alpha-linux-gnu/bin/
-B/usr/alpha-linux-gnu/lib/ -isystem /usr/alpha-linux-gnu/include -isystem
/usr/alpha-linux-gnu/sys-include -c -DHAVE_CONFIG_H -g -O2 -I.
-I../../src/libiberty/../include -W -Wall -Wwrite-strings -Wc++-compat
-Wstrict-prototypes -pedantic -fPIC ../../src/libiberty/regex.c -o
pic/regex.o; \
else true; fi
In file included from ../../src/libiberty/regex.c:638:0:
../../src/libiberty/regex.c: In function 'byte_re_compile_fastmap':
../../src/libiberty/regex.c:4660:20: warning: '({anonymous})' may be used
uninitialized in this function
../../src/libiberty/regex.c: In function 'byte_re_match_2_internal':
../../src/libiberty/regex.c:5543:1: internal compiler error: in
mark_operand_necessary, at tree-ssa-dce.c:250
Please submit a full bug report,
with preprocessed source if appropriate.
make[5]: *** [regex.o] Error 1
make[5]: Leaving directory
`/home/doko/gcc/gcc-4.5-4.5-20091226/build/libiberty'
make[4]: *** [all-stage3-libiberty] Error 2
make[4]: Leaving directory `/home/doko/gcc/gcc-4.5-4.5-20091226/build'
make[3]: *** [stage3-bubble] Error 2
--
Summary: boostrap error in stage3 on alpha-linux-gnu
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: debian-gcc at lists dot debian dot org
GCC target triplet: alpha-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42511
