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

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

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 69b05cc10986831556e5b11fd4cd85ee7ecdec36..56397af210431c3bd37a29ea9f54da47b54d193b 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+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.

diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c
index f170859fde4c3568025a1740cf9587883788d3a9..67d04647c8b2961483defcbb77ec40db9ae73036 100644 (file)
--- a/gcc/tree-ssa-loop-ivopts.c
+++ b/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)