[Bug rtl-optimization/84682] internal compiler error: Segmentation fault (process_address_1)

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84682

David Malcolm <dmalcolm at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2018-03-02
                 CC|                            |dmalcolm at gcc dot gnu.org
          Component|inline-asm                  |rtl-optimization
     Ever confirmed|0                           |1

--- Comment #1 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Confirmed.

Segfault reading through NULL in reload here:

process_address_1 (nop=nop@entry=0, check_only_p=check_only_p@entry=false,
before=before@entry=0x7fffffffcea0, 
    after=after@entry=0x7fffffffcea8) at ../../src/gcc/lra-constraints.c:3424
3424              if (poly_int_rtx_p (*ad.disp, &orig_offset)

(gdb) p ad.disp
$1 = (rtx *) 0x0