Start work on subclassing PathDiagnosticPiece to distinguish more between control-flow pieces, events, etc.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@66291 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/PathDiagnostic.cpp b/lib/Analysis/PathDiagnostic.cpp
index 468b6c8..49af34d 100644
--- a/lib/Analysis/PathDiagnostic.cpp
+++ b/lib/Analysis/PathDiagnostic.cpp
@@ -49,6 +49,12 @@
          "PathDiagnosticPiece's must have a valid location.");
 }
 
+PathDiagnosticPiece::~PathDiagnosticPiece() {}
+
+PathDiagnosticMacroPiece::~PathDiagnosticMacroPiece() {
+  for (iterator I = begin(), E = end(); I != E; ++I) delete *I;
+}
+
 PathDiagnostic::PathDiagnostic() : Size(0) {}
 
 PathDiagnostic::~PathDiagnostic() {