[Bug c/37663] New: ice in simplify_truth_ops_using_ranges, at tree-vrp.c:6335

[regehr at cs dot utah dot edu]

Seen using r140721.

[EMAIL PROTECTED]:~/volatile/tmp45$ current-gcc -O3 small.c
small.c: In function ‘func_91’:
small.c:3: internal compiler error: in simplify_truth_ops_using_ranges, at
tree-vrp.c:6335
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

[EMAIL PROTECTED]:~/volatile/tmp45$ cat small.c

int func_99 (signed char p_100);
int
func_91 (int p_93)
{
  func_99 (1 >= p_93);
}

int
func_99 (signed char p_100)
{
  int l_102 = 0x8F9F05BBL;
  int l_108;
  p_100 = p_100 + (p_100 != l_102 * l_102) & -1;
  if (p_100)
    {
      if (func_50 (1, 1, func_50 (func_28 (1), l_108, 1, 1), 1))
        {
        }
    }
}

[EMAIL PROTECTED]:~/volatile/tmp45$ current-gcc -v

Using built-in specs.
Target: i686-pc-linux-gnu
Configured with: ../configure --program-prefix=current-
--enable-languages=c,c++ --prefix=/home/regehr : (reconfigured) ../configure
--program-prefix=current- --enable-languages=c,c++ --prefix=/home/regehr :
(reconfigured) ../configure --program-prefix=current- --enable-languages=c,c++
--prefix=/home/regehr : (reconfigured) ../configure --program-prefix=current-
--enable-languages=c,c++ --prefix=/home/regehr : (reconfigured) ../configure
--program-prefix=current- --prefix=/home/regehr --enable-languages=c,c++
--no-create --no-recursion : (reconfigured) ../configure
--program-prefix=current- --prefix=/home/regehr --enable-languages=c,c++
--no-create --no-recursion : (reconfigured) ../configure
--program-prefix=current- --prefix=/home/regehr --enable-languages=c,c++
--no-create --no-recursion : (reconfigured) ../configure
--program-prefix=current- --prefix=/home/regehr --enable-languages=c,c++
--no-create --no-recursion : (reconfigured) ../configure
--program-prefix=current- --prefix=/home/regehr --enable-languages=c,c++
--no-create --no-recursion : (reconfigured) ../configure
--program-prefix=current- --prefix=/home/regehr --enable-languages=c,c++
--no-create --no-recursion : (reconfigured) ../configure
--program-prefix=current- --prefix=/home/regehr --enable-languages=c,c++
--no-create --no-recursion
Thread model: posix
gcc version 4.4.0 20080927 (experimental) (GCC)


-- 
           Summary: ice in simplify_truth_ops_using_ranges, at tree-
                    vrp.c:6335
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: regehr at cs dot utah dot edu
 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=37663