diff --git a/lldb/source/Plugins/SymbolFile/NativePDB/SymbolFileNativePDB.cpp b/lldb/source/Plugins/SymbolFile/NativePDB/SymbolFileNativePDB.cpp
--- a/lldb/source/Plugins/SymbolFile/NativePDB/SymbolFileNativePDB.cpp
+++ b/lldb/source/Plugins/SymbolFile/NativePDB/SymbolFileNativePDB.cpp
@@ -80,6 +80,8 @@
     return lldb::LanguageType::eLanguageTypeC;
   case PDB_Lang::Swift:
     return lldb::LanguageType::eLanguageTypeSwift;
+  case PDB_Lang::Rust:
+    return lldb::LanguageType::eLanguageTypeRust;
   default:
     return lldb::LanguageType::eLanguageTypeUnknown;
   }
diff --git a/lldb/source/Plugins/SymbolFile/PDB/SymbolFilePDB.cpp b/lldb/source/Plugins/SymbolFile/PDB/SymbolFilePDB.cpp
--- a/lldb/source/Plugins/SymbolFile/PDB/SymbolFilePDB.cpp
+++ b/lldb/source/Plugins/SymbolFile/PDB/SymbolFilePDB.cpp
@@ -74,6 +74,8 @@
     return lldb::LanguageType::eLanguageTypeC;
   case PDB_Lang::Swift:
     return lldb::LanguageType::eLanguageTypeSwift;
+  case PDB_Lang::Rust:
+    return lldb::LanguageType::eLanguageTypeRust;
   default:
     return lldb::LanguageType::eLanguageTypeUnknown;
   }