re PR bootstrap/50218 (tree-ssa-loop-ivopts.c triggers…

re PR bootstrap/50218 (tree-ssa-loop-ivopts.c triggers -Werror=maybe-uninitialized breaking i686-linux bootstrap)

2011-08-28  Mikael Pettersson  <mikpe@it.uu.se>

	PR bootstrap/50218
	* tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Initialize
	comp.

From-SVN: r178141

gcc/ChangeLog

+2011-08-28  Mikael Pettersson  <mikpe@it.uu.se>
+
+	PR bootstrap/50218
+	* tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Initialize
+	comp.
+
 2011-08-27  Bernd Schmidt  <bernds@codesourcery.com>
 
 	* doc/rtl.texi (simple_return): Document.

gcc/tree-ssa-loop-ivopts.c

@@ -4757,7 +4757,7 @@ determine_use_iv_cost_condition (struct ivopts_data *data,
   bool ok;
   int elim_inv_expr_id = -1, express_inv_expr_id = -1, inv_expr_id;
   tree *control_var, *bound_cst;
-  enum tree_code comp;
+  enum tree_code comp = ERROR_MARK;
 
   /* Only consider real candidates.  */
   if (!cand->iv)