re PR fortran/69368 (spec2006 test case 416.gamess fails with the g++ 6.0…

re PR fortran/69368 (spec2006 test case 416.gamess fails with the g++ 6.0 compiler starting with r232508)

	PR fortran/69368
	* tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.

From-SVN: r233153

gcc/ChangeLog

+2016-02-04  Jakub Jelinek  <jakub@redhat.com>
+
+	PR fortran/69368
+	* tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
+
 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR rtl-optimization/69577

gcc/tree-dfa.c

@@ -588,15 +588,6 @@ get_ref_base_and_extent (tree exp, HOST_WIDE_INT *poffset,
       exp = TREE_OPERAND (exp, 0);
     }
 
-  /* We need to deal with variable arrays ending structures.  */
-  if (seen_variable_array_ref
-      && maxsize != -1
-      && (TYPE_SIZE (TREE_TYPE (exp)) == NULL_TREE
-	  || TREE_CODE (TYPE_SIZE (TREE_TYPE (exp))) != INTEGER_CST
-	  || (bit_offset + maxsize
-	      == wi::to_offset (TYPE_SIZE (TREE_TYPE (exp))))))
-    maxsize = -1;
-
  done:
   if (!wi::fits_shwi_p (bitsize) || wi::neg_p (bitsize))
     {