[Bug c/37207] New: ice at tree-ssa-ifcombine.c:222

[regehr at cs dot utah dot edu]

Seen using r139506 on Ubuntu Hardy.

[EMAIL PROTECTED]:~/volatile/tmp12$ current-gcc -Os small.c
small.c: In function ‘func_18’:
small.c:18: internal compiler error: tree check: expected ssa_name, have
integer_cst in recognize_single_bit_test, at tree-ssa-ifcombine.c:222
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

[EMAIL PROTECTED]:~/volatile/tmp12$ 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
Thread model: posix
gcc version 4.4.0 20080823 (experimental) (GCC) 

[EMAIL PROTECTED]:~/volatile/tmp12$ cat small.c

typedef short int int16_t;
typedef int int32_t;
typedef unsigned int uint32_t;
static inline unsigned long int
mod_rhs (long int rhs)
{
  if (rhs == 0)
    return 1;
  return rhs;
}

int32_t g_711;
uint32_t g_768;
int32_t func_52 (uint32_t p_53, uint32_t p_54, int16_t p_55, int32_t p_56,
                 int32_t p_58);
int32_t
func_18 (uint32_t p_19, uint32_t p_20, uint32_t p_22, uint32_t p_23)
{
  uint32_t l_26;
  int32_t l_893;
  uint32_t l_889;
  int32_t l_895 = 1;
  for (0; 1; ++l_889)
    {
      func_98 ((((func_81 (1)
                  && (1 &
                      (func_52 (g_768, g_711, l_26, l_893, 1) %
                       mod_rhs (l_895)))))));
      l_895 = 0;
    }
}

int32_t
func_52 (uint32_t p_53, uint32_t p_54, int16_t p_55, int32_t p_56,
         int32_t p_58)
{
}


-- 
           Summary: ice at tree-ssa-ifcombine.c:222
           Product: gcc
           Version: 4.4.0
            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=37207