[Bug target/61443] New: [avr] ICE when varargs argument is indirect addr-space access

[gjl at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61443

            Bug ID: 61443
           Summary: [avr] ICE when varargs argument is indirect addr-space
                    access
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Keywords: addr-space, ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gjl at gcc dot gnu.org
            Target: avr

Created attachment 32907
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=32907&action=edit
C Test Case

== C Source ==

extern void vfun (char, ...);

void boo (const __flash int *p)
{
    vfun (0, *p);
}


== Command Line ==

$ avr-gcc foo.c -S -Os

Occurs also with optimization turned on.


== Diagnose ==

foo.c: In function 'boo':
foo.c:6:1: error: unrecognizable insn:
 }
 ^
(insn 6 3 7 2 (set (reg:QI 44)
        (subreg:QI (mem:HI (reg/v/f:HI 43 [ p ]) [2 *p_2(D)+0 S2 A8 AS1]) 1))
foo.c:5 -1
     (nil))
foo.c:6:1: internal compiler error: in extract_insn, at recog.c:2150

foo.c:6:1: internal compiler error: Segmentation fault