[Bug c/63554] [5 Regression] ice in "execute_todo, at passes.c:1797" with -O3

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63554

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2014-10-16
                 CC|                            |trippels at gcc dot gnu.org
   Target Milestone|---                         |5.0
            Summary|ice in "execute_todo, at    |[5 Regression] ice in
                   |passes.c:1797" with -O3     |"execute_todo, at
                   |                            |passes.c:1797" with -O3
     Ever confirmed|0                           |1

--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
 ~ % cat bug167.c
char *a;
void
nssutil_ReadSecmodDB (void)
{
  long b = __builtin_object_size (0, 0);
  a = __builtin___strncat_chk (a, " ", 1, b);
}

 ~ % gcc -c -O2 bug167.c
bug167.c: In function ‘nssutil_ReadSecmodDB’:
bug167.c:3:1: internal compiler error: in execute_todo, at passes.c:1797
 nssutil_ReadSecmodDB (void)
 ^
0x10650633 execute_todo
        ../../gcc/gcc/passes.c:1797