[Bug target/64424] New: cr16-elf ICE in gen_rtx_SUBREG, at emit-rtl.c:748

[yselkowi at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64424

            Bug ID: 64424
           Summary: cr16-elf ICE in gen_rtx_SUBREG, at emit-rtl.c:748
           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: cr16-elf
             Build: x86_64-cygwin

While compiling gcc-4.9.2 --target=cr16-elf with binutils-2.25 and newlib-2.2.0

libtool: compile: 
/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/build/cr16-elf/./gcc/xgcc
-shared-libgcc
-B/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/build/cr16-elf/./gcc
-nostdinc++
-L/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/build/cr16-elf/cr16-elf/libstdc++-v3/src
-L/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/build/cr16-elf/cr16-elf/libstdc++-v3/src/.libs
-L/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/build/cr16-elf/cr16-elf/libstdc++-v3/libsupc++/.libs
-B/usr/cr16-elf/bin/ -B/usr/cr16-elf/lib/ -isystem /usr/cr16-elf/include
-isystem /usr/cr16-elf/sys-include
-I/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/src/gcc-4.9.2/libstdc++-v3/../libgcc
-I/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/build/cr16-elf/cr16-elf/libstdc++-v3/include/cr16-elf
-I/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/build/cr16-elf/cr16-elf/libstdc++-v3/include
-I/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/src/gcc-4.9.2/libstdc++-v3/libsupc++
-fno-implicit-templates -Wall -Wextra -Wwrite-strings -Wcast-qual -Wabi
-fdiagnostics-show-location=once -ffunction-sections -fdata-sections
-frandom-seed=ctype.lo -g -ggdb -O2 -pipe -c
/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/src/gcc-4.9.2/libstdc++-v3/src/c++98/ctype.cc
-o ctype.o
/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/src/gcc-4.9.2/libstdc++-v3/src/c++98/ctype.cc:
In member function ‘void std::ctype<char>::_M_narrow_init() const’:
/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/src/gcc-4.9.2/libstdc++-v3/src/c++98/ctype.cc:84:3:
internal compiler error: in gen_rtx_SUBREG, at emit-rtl.c:748
   }
   ^