[Bug bootstrap/33306] New: [4.3 regression] Bootstrap failure on Tru64 UNIX V5.1B: ICE in convert_move, at expr.c:369

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

Bootstrapping current mainline as of 20070903 fails on alpha-dec-osf5.1b
building the stage 1 libgcc:

/vol/gccsrc/obj/gcc-4.3.0-20070903/5.1b-gcc/./gcc/xgcc
-B/vol/gccsrc/obj/gcc-4.3.0-20070903/5.1b-gcc/./gcc/
-B/vol/gcc/alpha-dec-osf5.1b/bin/ -B/vol/gcc/alpha-dec-osf5.1b/lib/ -isystem
/vol/gcc/alpha-dec-osf5.1b/include -isystem
/vol/gcc/alpha-dec-osf5.1b/sys-include -g -fkeep-inline-functions -O2  -O2 -g
-O2   -mieee -DIN_GCC    -W -Wall -Wwrite-strings -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition  -isystem ./include  -pthread -g
-DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED   -I. -I.
-I../.././gcc -I/vol/gcc/src/gcc-dist/libgcc -I/vol/gcc/src/gcc-dist/libgcc/.
-I/vol/gcc/src/gcc-dist/libgcc/../gcc -I/vol/gcc/src/gcc-dist/libgcc/../include
 -DHAVE_CC_TLS -o _powitf2.o -MT _powitf2.o -MD -MP -MF _powitf2.dep
-DL_powitf2 -c /vol/gcc/src/gcc-dist/libgcc/../gcc/libgcc2.c \

/vol/gcc/src/gcc-dist/libgcc/../gcc/libgcc2.c: In function '__powitf2':
/vol/gcc/src/gcc-dist/libgcc/../gcc/libgcc2.c:1742: internal compiler error: in
convert_move, at expr.c:369

The same problem happens at -O, while -O0 is ok.

Environment:
System: OSF1 bartok V5.1 2650 alpha
Machine: alpha

host: alpha-dec-osf5.1b
build: alpha-dec-osf5.1b
target: alpha-dec-osf5.1b
configured with: /vol/gcc/src/gcc-dist/configure --prefix=/vol/gcc
--with-local-prefix=/vol/gcc --disable-nls --host alpha-dec-osf5.1b --build
alpha-dec-osf5.1b --target alpha-dec-osf5.1b --with-gmp=/vol/gcc
--with-mpfr=/vol/gcc --enable-languages=c,c++,fortran,java,objc,ada
--disable-libmudflap

How-To-Repeat:
Bootstrap mainline as described above.


-- 
           Summary: [4.3 regression] Bootstrap failure on Tru64 UNIX V5.1B:
                    ICE in convert_move, at expr.c:369
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: critical
          Priority: P2
         Component: bootstrap
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: ro at techfak dot uni-bielefeld dot de
 GCC build triplet: alpha-dec-osf5.1b
  GCC host triplet: alpha-dec-osf5.1b
GCC target triplet: alpha-dec-osf5.1b


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33306