Index: include/llvm/DebugInfo/CodeView/CodeView.h
===================================================================
--- include/llvm/DebugInfo/CodeView/CodeView.h
+++ include/llvm/DebugInfo/CodeView/CodeView.h
@@ -162,6 +162,7 @@
   /// The DMD compiler emits 'D' for the CV source language. Microsoft doesn't
   /// have an enumerator for it yet.
   D = 'D',
+  Swift = 'S',
 };
 
 /// These values correspond to the CV_call_e enumeration, and are documented