Allow two codepaths for PathDiagnostic generation. This patch mainly consists of
refactoring to make this possible (no functionality change).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68141 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PlistDiagnostics.cpp b/lib/Frontend/PlistDiagnostics.cpp
index 007fae8..0c146e5 100644
--- a/lib/Frontend/PlistDiagnostics.cpp
+++ b/lib/Frontend/PlistDiagnostics.cpp
@@ -40,7 +40,9 @@
     ~PlistDiagnostics();
     void HandlePathDiagnostic(const PathDiagnostic* D);
     
+    PathGenerationScheme getGenerationScheme() const { return Extensive; }
     bool supportsLogicalOpControlFlow() const { return true; }
+    bool supportsAllBlockEdges() const { return true; }
   };  
 } // end anonymous namespace