[Bug target/64451] New: tic6x-elf: ICE in extract_insn, at recog.c:2202

[yselkowi at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64451

            Bug ID: 64451
           Summary: tic6x-elf: ICE in extract_insn, at recog.c:2202
           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

While building gcc-4.9.2 --target=tic6x-elf with newlib-2.2.0:

libtool: compile: 
/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/build/tic6x-elf/./gcc/xgcc
-B/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/build/tic6x-elf/./gcc/
-B/usr/tic6x-elf/bin/ -B/usr/tic6x-elf/lib/ -isystem /usr/tic6x-elf/include
-isystem /usr/tic6x-elf/sys-include -DHAVE_CONFIG_H -I.
-I/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/src/gcc-4.9.2/libssp -Wall
-g -ggdb -O2 -pipe -Wimplicit-function-declaration -MT ssp.lo -MD -MP -MF
.deps/ssp.Tpo -c
/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/src/gcc-4.9.2/libssp/ssp.c -o
ssp.o
/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/src/gcc-4.9.2/libssp/ssp.c:
In function ‘fail.isra.0’:
/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/src/gcc-4.9.2/libssp/ssp.c:163:1:
error: unrecognizable insn:
 }
 ^
(insn 111 110 112 16 (set (mem/v:SI (reg/f:SI 111) [3 MEM[(volatile int
*)4294967295B]+0 S4 A8])
        (unspec:SI [
                (reg:SI 112)
            ] UNSPEC_MISALIGNED_ACCESS))
/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/src/gcc-4.9.2/libssp/ssp.c:156
-1
     (nil))
/usr/src/ports/cross-gcc/cross-gcc-4.9.2-1.x86_64/src/gcc-4.9.2/libssp/ssp.c:163:1:
internal compiler error: in extract_insn, at recog.c:2202