[Bug tree-optimization/68317] [6 regression] ice in set_value_range, at tree-vrp.c:380

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68317

Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-11-12
                 CC|                            |trippels at gcc dot gnu.org
          Component|c                           |tree-optimization
            Summary|ice in set_value_range, at  |[6 regression] ice in
                   |tree-vrp.c:380              |set_value_range, at
                   |                            |tree-vrp.c:380
     Ever confirmed|0                           |1

--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
markus@x4 tmp % cat bug243.c
extern int fn2(int);
void fn1() {
  int i = 7;
  for (;; i--)
    fn2((8184 + i) * 524288);
}

markus@x4 tmp % gcc -c -O2 bug243.c
bug243.c: In function ‘fn1’:
bug243.c:2:6: internal compiler error: in set_value_range, at tree-vrp.c:380