[Bug middle-end/54041] [4.7/4.8 regression] -mshort ICE in convert_memory_address_addr_space, at explow.c:327

[schwab@linux-m68k.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54041

Andreas Schwab <schwab@linux-m68k.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-valid-code
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2012-07-20
      Known to work|                            |4.6.4
            Summary|-mshort ICE in              |[4.7/4.8 regression]
                   |convert_memory_address_addr |-mshort ICE in
                   |_space, at explow.c:327     |convert_memory_address_addr
                   |                            |_space, at explow.c:327
     Ever Confirmed|0                           |1
      Known to fail|                            |4.7.1

--- Comment #7 from Andreas Schwab <schwab@linux-m68k.org> 2012-07-20 13:15:43 UTC ---
Before 4.7 the array reference was expanded to (int *) &r + (unsigned int)
((unsigned int) i * 2), now it is preserved as &r[i], causing the ADDR_EXPR to
contain ARRAY_REF of (r,i) where it previously contained r only.