[Bug tree-optimization/41031] New: [4.5 Regression]: build breakage for cris-elf building newlib, ICE in insert_value_copy_on_edge

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

With revision 150591, cris-elf built.
>From revision 150593 and on, build is broken as follows, compiling newlib:

...
/tmp/hpautotest-gcc1/cris-elf/gccobj/./gcc/xgcc
-B/tmp/hpautotest-gcc1/cris-elf/gccobj/./gcc/ -nostdinc
-B/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/v10/newlib/ -isystem
/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/v10/newlib/targ-include -isystem
/tmp/hpautotest-gcc1/gcc/newlib/libc/include
-B/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/v10/libgloss/cris
-L/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/v10/libgloss/libnosys
-L/tmp/hpautotest-gcc1/gcc/libgloss/cris
-B/tmp/hpautotest-gcc1/cris-elf/pre/cris-elf/bin/
-B/tmp/hpautotest-gcc1/cris-elf/pre/cris-elf/lib/ -isystem
/tmp/hpautotest-gcc1/cris-elf/pre/cris-elf/include -isystem
/tmp/hpautotest-gcc1/cris-elf/pre/cris-elf/sys-include  -march=v10
-mbest-lib-options -DPACKAGE_NAME=\"newlib\" -DPACKAGE_TARNAME=\"newlib\"
-DPACKAGE_VERSION=\"1.17.0\" -DPACKAGE_STRING=\"newlib\ 1.17.0\"
-DPACKAGE_BUGREPORT=\"\"  -I. -I/tmp/hpautotest-gcc1/gcc/newlib/libc/stdlib -O2
-DHAVE_RENAME -D_USE_WRITE -DCOMPACT_CTYPE -fno-builtin      -g -O2  -march=v10
-mbest-lib-options -c -o lib_a-ecvtbuf.o `test -f 'ecvtbuf.c' || echo
'/tmp/hpautotest-gcc1/gcc/newlib/libc/stdlib/'`ecvtbuf.c
/tmp/hpautotest-gcc1/gcc/newlib/libc/stdlib/ecvtbuf.c: In function 'print_e':
/tmp/hpautotest-gcc1/gcc/newlib/libc/stdlib/ecvtbuf.c:146:1: internal compiler
error: in insert_value_copy_on_edge, at tree-outof-ssa.c:223
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[8]: *** [lib_a-ecvtbuf.o] Error 1
make[8]: Leaving directory
`/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/v10/newlib/libc/stdlib'

Author of patches in suspect revision range CC:ed.

Will attach preprocessed source.


-- 
           Summary: [4.5 Regression]: build breakage for cris-elf building
                    newlib, ICE in insert_value_copy_on_edge
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code, build
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: hp at gcc dot gnu dot org
  GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: cris-axis-elf


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41031