Implement .weakref.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117911 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCLoggingStreamer.cpp b/lib/MC/MCLoggingStreamer.cpp
index 7615745..a907c11 100644
--- a/lib/MC/MCLoggingStreamer.cpp
+++ b/lib/MC/MCLoggingStreamer.cpp
@@ -74,6 +74,11 @@
     return Child->EmitAssignment(Symbol, Value);
   }
 
+  virtual void EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol) {
+    LogCall("EmitWeakReference");
+    return Child->EmitWeakReference(Alias, Symbol);
+  }
+
   virtual void EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute) {
     LogCall("EmitSymbolAttribute");
     return Child->EmitSymbolAttribute(Symbol, Attribute);