[Bug target/64402] New: mep-elf ICE in libgcc/unwind-dw2.c

[yselkowi at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64402

            Bug ID: 64402
           Summary: mep-elf ICE in libgcc/unwind-dw2.c
           Product: gcc
           Version: 4.9.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: yselkowi at redhat dot com
              Host: x86_64-cygwin
            Target: mep-elf
             Build: x86_64-cygwin

While building 4.9.2 with --target=mep-elf --without-headers, in apparently all
multilibs:

/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/build/mep-elf/./gcc/xgcc
-B/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/build/mep-elf/./gcc/
-B/usr/mep-elf/bin/ -B/usr/mep-elf/lib/ -isystem /usr/mep-elf/include -isystem
/usr/mep-elf/sys-include -mlibrary    -g -ggdb -O2 -pipe
-Wimplicit-function-declaration -mel -O2  -g -ggdb -O2 -pipe
-Wimplicit-function-declaration -DIN_GCC  -DCROSS_DIRECTORY_STRUCTURE  -W -Wall
-Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition  -isystem ./include -mlibrary  -g
-DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -Dinhibit_libc  -I. -I.
-I../../.././gcc
-I/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/src/gcc-4.9.2/libgcc
-I/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/src/gcc-4.9.2/libgcc/.
-I/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/src/gcc-4.9.2/libgcc/../gcc
-I/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/src/gcc-4.9.2/libgcc/../include
 -DHAVE_CC_TLS -DUSE_EMUTLS -o unwind-dw2.o -MT unwind-dw2.o -MD -MP -MF
unwind-dw2.dep -fexceptions -c
/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/src/gcc-4.9.2/libgcc/unwind-dw2.c
-fvisibility=hidden -DHIDE_EXPORTS
In file included from
/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/src/gcc-4.9.2/libgcc/unwind-dw2.c:1698:0:
/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/src/gcc-4.9.2/libgcc/unwind.inc:
In function ‘_Unwind_RaiseException’:
/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/src/gcc-4.9.2/libgcc/unwind.inc:136:1:
internal compiler error: in pre_and_rev_post_order_compute, at cfganal.c:1022
 }
 ^