[Bug c++/22550] New: ICE in vrp_evaluate_conditional

["paul dot woegerer at nsc dot com" <gcc-bugzilla at gcc dot gnu dot org>]

Compiling the example below with g++ from snapshot 4.1.0 20050716 causes
the following error message:

> g++ -O2 ICE_vrp.cpp

ICE_vrp.cpp: In function 'int main()':
ICE_vrp.cpp:17: internal compiler error: in vrp_evaluate_conditional, at
tree-vrp.c:3048

Version 3.4.4 correctly creates an executeable that returns exit code 0.

------------------------------------------------------------ ICE_vrp.cpp

class X {
public:
  int mfunc1 () {
    return 1;
  }
  int mfunc2 () {
    return 2;
  }
  X (int a, int b) { }
};

typedef int (X::*memfunc_p_t) ();

memfunc_p_t mf_arr[2] = { &X::mfunc1, &X::mfunc2 };

int
main ()
{
  // Get pntr to the array of pointers to member-funcs
  memfunc_p_t (*mf_arr_p)[2] = &mf_arr;
  // Compare indirect against direct access to an array element
  if ((*mf_arr_p)[0] != mf_arr[0])
    return 1;
  return 0;
}

-- 
           Summary: ICE in vrp_evaluate_conditional
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Severity: critical
          Priority: P2
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: paul dot woegerer at nsc dot com
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22550