[Bug other/54490] New: ICE: Spill failure in newlib build

[gjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54490

             Bug #: 54490
           Summary: ICE: Spill failure in newlib build
    Classification: Unclassified
           Product: gcc
           Version: 4.7.1
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code, ra
          Severity: major
          Priority: P3
         Component: other
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: gjl@gcc.gnu.org
            Target: avr


../../gcc.gnu.org/gcc-4_7-branch/configure --target=avr
--prefix=/local/gnu/install/gcc-4.7 --disable-nls --with-dwarf2
--enable-languages=c,c++ --enable-target-optspace=yes --enable-checking=rtl,yes

For this configure, the build aborts with a spill fail ICE if newlib is in the
source path.  SVN is from today's (2012-09-05) gcc-4_7-branch 


/home/georg/gnu/build/gcc-4.7-avr/./gcc/xgcc
-B/home/georg/gnu/build/gcc-4.7-avr/./gcc/ -nostdinc
-B/home/georg/gnu/build/gcc-4.7-avr/avr/avr25/newlib/ -isystem
/home/georg/gnu/build/gcc-4.7-avr/avr/avr25/newlib/targ-include -isystem
/home/georg/gnu/gcc.gnu.org/gcc-4_7-branch/newlib/libc/include
-B/home/georg/gnu/build/gcc-4.7-avr/avr/avr25/libgloss/avr
-L/home/georg/gnu/build/gcc-4.7-avr/avr/avr25/libgloss/libnosys
-L/home/georg/gnu/gcc.gnu.org/gcc-4_7-branch/libgloss/avr
-B/local/gnu/install/gcc-4.7/avr/bin/ -B/local/gnu/install/gcc-4.7/avr/lib/
-isystem /local/gnu/install/gcc-4.7/avr/include -isystem
/local/gnu/install/gcc-4.7/avr/sys-include  -mmcu=avr25
-DPACKAGE_NAME=\"newlib\" -DPACKAGE_TARNAME=\"newlib\"
-DPACKAGE_VERSION=\"1.18.0\" -DPACKAGE_STRING=\"newlib\ 1.18.0\"
-DPACKAGE_BUGREPORT=\"\" -I.
-I../../../../../../../gcc.gnu.org/gcc-4_7-branch/newlib/libc/stdlib -Os
-DPREFER_SIZE_OVER_SPEED -mcall-prologues -DNO_EXEC -DSMALL_MEMORY
-DMISSING_SYSCALL_NAMES -fno-builtin      -g -Os  -mmcu=avr25 -c -o
lib_a-mprec.o `test -f 'mprec.c' || echo
'../../../../../../../gcc.gnu.org/gcc-4_7-branch/newlib/libc/stdlib/'`mprec.c
../../../../../../../gcc.gnu.org/gcc-4_7-branch/newlib/libc/stdlib/mprec.c: In
function '__multiply':
../../../../../../../gcc.gnu.org/gcc-4_7-branch/newlib/libc/stdlib/mprec.c:419:1:
error: unable to find a register to spill in class 'POINTER_REGS'
../../../../../../../gcc.gnu.org/gcc-4_7-branch/newlib/libc/stdlib/mprec.c:419:1:
error: this is the insn:
(insn 98 97 101 12 (set (reg:SI 75 [ D.2858 ])
        (mem:SI (post_inc:HI (reg:HI 16 r16 [orig:50 ivtmp.180 ] [50])) [16
MEM[base: D.3213_188, offset: 0B]+0 S4 A8]))
../../../../../../../gcc.gnu.org/gcc-4_7-branch/newlib/libc/stdlib/mprec.c:370
36 {*movsi}
     (expr_list:REG_INC (reg:HI 16 r16 [orig:50 ivtmp.180 ] [50])
        (nil)))
../../../../../../../gcc.gnu.org/gcc-4_7-branch/newlib/libc/stdlib/mprec.c:419:1:
internal compiler error: in spill_failure, at reload1.c:2120
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[8]: *** [lib_a-mprec.o] Error 1
make[8]: Leaving directory
`/local/gnu/build/gcc-4.7-avr/avr/avr25/newlib/libc/stdlib'
make[7]: *** [all-recursive] Error 1
make[7]: Leaving directory `/local/gnu/build/gcc-4.7-avr/avr/avr25/newlib/libc'
make[6]: *** [all-recursive] Error 1
make[6]: Leaving directory `/local/gnu/build/gcc-4.7-avr/avr/avr25/newlib'
make[5]: *** [all] Error 2
make[5]: Leaving directory `/local/gnu/build/gcc-4.7-avr/avr/avr25/newlib'
make[4]: *** [multi-do] Error 1
make[4]: Leaving directory `/local/gnu/build/gcc-4.7-avr/avr/newlib'
make[3]: *** [all-multi] Error 2
make[3]: Leaving directory `/local/gnu/build/gcc-4.7-avr/avr/newlib'
make[2]: *** [all] Error 2
make[2]: Leaving directory `/local/gnu/build/gcc-4.7-avr/avr/newlib'
make[1]: *** [all-target-newlib] Error 2
make[1]: Leaving directory `/local/gnu/build/gcc-4.7-avr'
make: *** [all] Error 2