Regression fix: reset 'DisplayedFunction' when a new function/method decl gets analyzed.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77996 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/Analysis/PathSensitive/AnalysisManager.h

@@ -80,6 +80,7 @@ public:
 
   void setContext(Decl *D) {
     RootContext = ContextMgr.getContext(D);
+    DisplayedFunction = false;
   }
     
   Decl *getCodeDecl() const {