3 files changed, 4 insertions, 1 deletions
diff --git a/compiler/optimizing/graph_visualizer.h b/compiler/optimizing/graph_visualizer.h
index 05984a080e..4d8bec2422 100644
--- a/compiler/optimizing/graph_visualizer.h
+++ b/compiler/optimizing/graph_visualizer.h
@@ -17,6 +17,8 @@
 #ifndef ART_COMPILER_OPTIMIZING_GRAPH_VISUALIZER_H_
 #define ART_COMPILER_OPTIMIZING_GRAPH_VISUALIZER_H_
 
+#include <ostream>
+
 #include "base/value_object.h"
 
 namespace art {
diff --git a/compiler/optimizing/nodes.h b/compiler/optimizing/nodes.h
index 9b7ff88b68..e9b6b4177a 100644
--- a/compiler/optimizing/nodes.h
+++ b/compiler/optimizing/nodes.h
@@ -2123,7 +2123,7 @@ class HGraphVisitor : public ValueObject {
 #undef DECLARE_VISIT_INSTRUCTION
 
  private:
-  HGraph* graph_;
+  HGraph* const graph_;
 
   DISALLOW_COPY_AND_ASSIGN(HGraphVisitor);
 };
diff --git a/compiler/optimizing/ssa_liveness_analysis.h b/compiler/optimizing/ssa_liveness_analysis.h
index 8f718480b3..7dda4f61d5 100644
--- a/compiler/optimizing/ssa_liveness_analysis.h
+++ b/compiler/optimizing/ssa_liveness_analysis.h
@@ -32,6 +32,7 @@ class BlockInfo : public ArenaObject {
         live_in_(allocator, number_of_ssa_values, false),
         live_out_(allocator, number_of_ssa_values, false),
         kill_(allocator, number_of_ssa_values, false) {
+    UNUSED(block_);
     live_in_.ClearAllBits();
     live_out_.ClearAllBits();
     kill_.ClearAllBits();