Index: lib/ExecutionEngine/ExecutionEngine.cpp
===================================================================
--- lib/ExecutionEngine/ExecutionEngine.cpp
+++ lib/ExecutionEngine/ExecutionEngine.cpp
@@ -865,6 +865,9 @@
     report_fatal_error(OS.str());
   }
 
+  if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(C))
+    return getConstantValue(GA->getAliasee());
+
   // Otherwise, we have a simple constant.
   GenericValue Result;
   switch (C->getType()->getTypeID()) {