diff --git a/include/clang/Analysis/PathDiagnostic.h b/include/clang/Analysis/PathDiagnostic.h
index 2d66ba3..cfca94b 100644
--- a/include/clang/Analysis/PathDiagnostic.h
+++ b/include/clang/Analysis/PathDiagnostic.h
@@ -68,8 +68,8 @@
 public:
   
   PathDiagnostic() : Size(0) {}
-  PathDiagnostic(const char* desc) : Desc(desc) {}
-  PathDiagnostic(const std::string& desc) : Desc(desc) {}
+  PathDiagnostic(const char* desc) : Size(0), Desc(desc) {}
+  PathDiagnostic(const std::string& desc) : Size(0), Desc(desc) {}
   
   ~PathDiagnostic();