2 files changed, 14 insertions, 1 deletions
diff --git a/include/llvm/DebugInfo/CodeView/CodeViewSymbols.def b/include/llvm/DebugInfo/CodeView/CodeViewSymbols.def
index 41c538076798..b5f1cc0198dc 100644
--- a/include/llvm/DebugInfo/CodeView/CodeViewSymbols.def
+++ b/include/llvm/DebugInfo/CodeView/CodeViewSymbols.def
@@ -143,7 +143,6 @@ CV_SYMBOL(S_MANSLOT       , 0x1120)
 CV_SYMBOL(S_MANMANYREG    , 0x1121)
 CV_SYMBOL(S_MANREGREL     , 0x1122)
 CV_SYMBOL(S_MANMANYREG2   , 0x1123)
-CV_SYMBOL(S_UNAMESPACE    , 0x1124)
 CV_SYMBOL(S_DATAREF       , 0x1126)
 CV_SYMBOL(S_ANNOTATIONREF , 0x1128)
 CV_SYMBOL(S_TOKENREF      , 0x1129)
@@ -255,6 +254,7 @@ SYMBOL_RECORD_ALIAS(S_GMANDATA      , 0x111d, ManagedGlobalData, DataSym)
 SYMBOL_RECORD(S_LTHREAD32     , 0x1112, ThreadLocalDataSym)
 SYMBOL_RECORD_ALIAS(S_GTHREAD32     , 0x1113, GlobalTLS, ThreadLocalDataSym)
 
+SYMBOL_RECORD(S_UNAMESPACE    , 0x1124, UsingNamespaceSym)
 
 #undef CV_SYMBOL
 #undef SYMBOL_RECORD
diff --git a/include/llvm/DebugInfo/CodeView/SymbolRecord.h b/include/llvm/DebugInfo/CodeView/SymbolRecord.h
index cf267f23967b..93306824012e 100644
--- a/include/llvm/DebugInfo/CodeView/SymbolRecord.h
+++ b/include/llvm/DebugInfo/CodeView/SymbolRecord.h
@@ -942,6 +942,19 @@ public:
   uint32_t RecordOffset;
 };
 
+// S_UNAMESPACE
+class UsingNamespaceSym : public SymbolRecord {
+public:
+  explicit UsingNamespaceSym(SymbolRecordKind Kind) : SymbolRecord(Kind) {}
+  explicit UsingNamespaceSym(uint32_t RecordOffset)
+      : SymbolRecord(SymbolRecordKind::RegRelativeSym),
+        RecordOffset(RecordOffset) {}
+
+  StringRef Name;
+
+  uint32_t RecordOffset;
+};
+
 // S_ANNOTATION
 
 using CVSymbol = CVRecord<SymbolKind>;