re PR tree-optimization/80079 (Conditional jump or move depends on uninitialised...

	PR tree-optimization/80079
	* gimple-ssa-store-merging.c (class pass_store_merging): Initialize
	m_stores_head.

Co-Authored-By: Markus Trippelsdorf <markus@trippelsdorf.de>
From-SVN: r246224

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9af58154dd26569f0fd358723890412c1f8bfb10..cced3ceafd2bfe1a99df4dc61f2e7f6304033611 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2017-03-17  Marek Polacek  <polacek@redhat.com>
+           Markus Trippelsdorf  <markus@trippelsdorf.de>
+
+       PR tree-optimization/80079
+       * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
+       m_stores_head.
+
 2017-03-17  Richard Biener  <rguenther@suse.de>
 
        PR middle-end/80075

diff --git a/gcc/gimple-ssa-store-merging.c b/gcc/gimple-ssa-store-merging.c
index 5bdb4597d615a36c811fc17eea77a90da7f5a133..17a95a50b1fee8ae989343fe63955ab5c045f43b 100644 (file)
--- a/gcc/gimple-ssa-store-merging.c
+++ b/gcc/gimple-ssa-store-merging.c
@@ -725,7 +725,7 @@ class pass_store_merging : public gimple_opt_pass
 {
 public:
   pass_store_merging (gcc::context *ctxt)
-    : gimple_opt_pass (pass_data_tree_store_merging, ctxt)
+    : gimple_opt_pass (pass_data_tree_store_merging, ctxt), m_stores_head ()
   {
   }