1 files changed, 6 insertions, 4 deletions
diff --git a/include/clang/Analysis/Analyses/LiveVariables.h b/include/clang/Analysis/Analyses/LiveVariables.h
index 302ae1c..c9f39b4 100644
--- a/include/clang/Analysis/Analyses/LiveVariables.h
+++ b/include/clang/Analysis/Analyses/LiveVariables.h
@@ -52,7 +52,9 @@ public:
     friend class LiveVariables;    
   };
   
-  struct Observer {
+  class Observer {
+    virtual void anchor();
+  public:
     virtual ~Observer() {}
     
     /// A callback invoked right before invoking the
@@ -70,7 +72,7 @@ public:
   virtual ~LiveVariables();
   
   /// Compute the liveness information for a given CFG.
-  static LiveVariables *computeLiveness(AnalysisContext &analysisContext,
+  static LiveVariables *computeLiveness(AnalysisDeclContext &analysisContext,
                                         bool killAtAssign);
   
   /// Return true if a variable is live at the end of a
@@ -93,7 +95,7 @@ public:
 
   void runOnAllBlocks(Observer &obs);
   
-  static LiveVariables *create(AnalysisContext &analysisContext) {
+  static LiveVariables *create(AnalysisDeclContext &analysisContext) {
     return computeLiveness(analysisContext, true);
   }
   
@@ -106,7 +108,7 @@ private:
   
 class RelaxedLiveVariables : public LiveVariables {
 public:
-  static LiveVariables *create(AnalysisContext &analysisContext) {
+  static LiveVariables *create(AnalysisDeclContext &analysisContext) {
     return computeLiveness(analysisContext, false);
   }