Remove an unused variable.

2017-05-04  Martin Liska  <mliska@suse.cz>

	* tree-vrp.c (simplify_cond_using_ranges_2): Remove unused
	variable cond_code.

From-SVN: r247583

gcc/ChangeLog

+2017-05-04  Martin Liska  <mliska@suse.cz>
+
+	* tree-vrp.c (simplify_cond_using_ranges_2): Remove unused
+	variable cond_code.
+
 2017-05-04  Richard Biener  <rguenther@suse.de>
 
 	* tree.c (array_at_struct_end_p): Handle arrays at struct

gcc/tree-vrp.c

@@ -9643,7 +9643,6 @@ simplify_cond_using_ranges_2 (gcond *stmt)
 {
   tree op0 = gimple_cond_lhs (stmt);
   tree op1 = gimple_cond_rhs (stmt);
-  enum tree_code cond_code = gimple_cond_code (stmt);
 
   /* If we have a comparison of an SSA_NAME (OP0) against a constant,
      see if OP0 was set by a type conversion where the source of