[Bug rtl-optimization/101008] ICE: in native_encode_rtx, at simplify-rtx.c:6594 with -O -g

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101008

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2021-06-10
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.

#1  0x000000000130f66a in native_encode_rtx (mode=E_V4SImode, 
    x=0x7ffff65714a0, bytes=..., first_byte=0, num_bytes=4)
    at /home/rguenther/src/gcc2/gcc/simplify-rtx.c:6594
6594      gcc_assert (GET_MODE (x) == VOIDmode
(gdb) p debug_rtx (x)
(const_int 1 [0x1])

for expanding BIT_FIELD_REF <_12, 32, 0>