*** fold-const.c.old	Thu Sep  8 19:10:50 2005
--- fold-const.c.new	Thu Sep  8 19:10:34 2005
*************** fold_widened_comparison (enum tree_code 
*** 6101,6108 ****
      return NULL_TREE;
  
    arg1_unw = get_unwidened (arg1, shorter_type);
-   if (!arg1_unw)
-     return NULL_TREE;
  
    /* If possible, express the comparison in the shorter mode.  */
    if ((code == EQ_EXPR || code == NE_EXPR
--- 6101,6106 ----
*************** fold_widened_comparison (enum tree_code 
*** 6114,6120 ****
      return fold (build (code, type, arg0_unw,
  			fold_convert (shorter_type, arg1_unw)));
  
!   if (TREE_CODE (arg1_unw) != INTEGER_CST)
      return NULL_TREE;
  
    /* If we are comparing with the integer that does not fit into the range
--- 6112,6118 ----
      return fold (build (code, type, arg0_unw,
  			fold_convert (shorter_type, arg1_unw)));
  
!   if (arg1_unw == arg1 || TREE_CODE (arg1_unw) != INTEGER_CST)
      return NULL_TREE;
  
    /* If we are comparing with the integer that does not fit into the range