diff --git a/lld/COFF/Symbols.cpp b/lld/COFF/Symbols.cpp
index 7c8b7d5..fc0ade2 100644
--- a/lld/COFF/Symbols.cpp
+++ b/lld/COFF/Symbols.cpp
@@ -63,6 +63,13 @@
   return true;
 }
 
+// MinGW specific.
+void Symbol::replaceKeepingName(Symbol *Other, size_t Size) {
+  StringRef OrigName = Name;
+  memcpy(this, Other, Size);
+  Name = OrigName;
+}
+
 COFFSymbolRef DefinedCOFF::getCOFFSymbol() {
   size_t SymSize = cast<ObjFile>(File)->getCOFFObj()->getSymbolTableEntrySize();
   if (SymSize == sizeof(coff_symbol16))