Index: llvm/lib/MC/ELFObjectWriter.cpp
===================================================================
--- llvm/lib/MC/ELFObjectWriter.cpp
+++ llvm/lib/MC/ELFObjectWriter.cpp
@@ -1277,6 +1277,7 @@
     Alias->setExternal(Symbol.isExternal());
     Alias->setBinding(Symbol.getBinding());
     Alias->setOther(Symbol.getOther());
+    Alias->setSize(Symbol.getSize());
 
     if (!Symbol.isUndefined() && !Rest.startswith("@@@"))
       continue;