Plist diagnostics now include PathDiagnostPiece::Kind.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65878 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PlistDiagnostics.cpp b/lib/Frontend/PlistDiagnostics.cpp
index d986344..c40794c 100644
--- a/lib/Frontend/PlistDiagnostics.cpp
+++ b/lib/Frontend/PlistDiagnostics.cpp
@@ -134,6 +134,12 @@
                         ? "above" : "below")
                     << "</string>\n";
 #endif
+  // Output the PathDiagnosticPiece::Kind.
+  Indent(o, indent) << "<key>kind</key>\n";
+  Indent(o, indent) << "<string>"
+    << (P.getKind() == PathDiagnosticPiece::Event 
+        ? "Event" : "ControlFlow")
+    << "</string>\n";
   
   
   // Finish up.