1 files changed, 11 insertions, 3 deletions
diff --git a/lld/wasm/Symbols.h b/lld/wasm/Symbols.h
index 8556d32bcf8..b2ec1e8c66e 100644
--- a/lld/wasm/Symbols.h
+++ b/lld/wasm/Symbols.h
@@ -91,10 +91,13 @@ public:
 
   WasmSymbolType getWasmType() const;
 
+  // True if this symbol was referenced by a regular (non-bitcode) object.
+  unsigned IsUsedInRegularObj : 1;
+
 protected:
   Symbol(StringRef Name, Kind K, uint32_t Flags, InputFile *F)
-      : Name(Name), SymbolKind(K), Flags(Flags), File(F),
-        Referenced(!Config->GcSections) {}
+      : IsUsedInRegularObj(false), Name(Name), SymbolKind(K), Flags(Flags),
+        File(F), Referenced(!Config->GcSections) {}
 
   StringRef Name;
   Kind SymbolKind;
@@ -332,7 +335,12 @@ T *replaceSymbol(Symbol *S, ArgT &&... Arg) {
                 "SymbolUnion not aligned enough");
   assert(static_cast<Symbol *>(static_cast<T *>(nullptr)) == nullptr &&
          "Not a Symbol");
-  return new (S) T(std::forward<ArgT>(Arg)...);
+
+  Symbol SymCopy = *S;
+
+  T *S2 = new (S) T(std::forward<ArgT>(Arg)...);
+  S2->IsUsedInRegularObj = SymCopy.IsUsedInRegularObj;
+  return S2;
 }
 
 } // namespace wasm