Index: source/Plugins/SymbolFile/NativePDB/SymbolFileNativePDB.cpp
===================================================================
--- source/Plugins/SymbolFile/NativePDB/SymbolFileNativePDB.cpp
+++ source/Plugins/SymbolFile/NativePDB/SymbolFileNativePDB.cpp
@@ -73,6 +73,8 @@
     return lldb::LanguageType::eLanguageTypeC_plus_plus;
   case PDB_Lang::C:
     return lldb::LanguageType::eLanguageTypeC;
+  case PDB_Lang::Swift:
+    return lldb::LanguageType::eLanguageTypeSwift;
   default:
     return lldb::LanguageType::eLanguageTypeUnknown;
   }
Index: source/Plugins/SymbolFile/PDB/SymbolFilePDB.cpp
===================================================================
--- source/Plugins/SymbolFile/PDB/SymbolFilePDB.cpp
+++ source/Plugins/SymbolFile/PDB/SymbolFilePDB.cpp
@@ -64,6 +64,8 @@
     return lldb::LanguageType::eLanguageTypeC_plus_plus;
   case PDB_Lang::C:
     return lldb::LanguageType::eLanguageTypeC;
+  case PDB_Lang::Swift:
+    return lldb::LanguageType::eLanguageTypeSwift;
   default:
     return lldb::LanguageType::eLanguageTypeUnknown;
   }