Resolve aliases to aliasees, where possible


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47975 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Linker/LinkModules.cpp b/lib/Linker/LinkModules.cpp
index c4e1c20..f055b4a 100644
--- a/lib/Linker/LinkModules.cpp
+++ b/lib/Linker/LinkModules.cpp
@@ -1159,6 +1159,9 @@
   // If there were any appending global variables, link them together now.
   if (LinkAppendingVars(Dest, AppendingVars, ErrorMsg)) return true;
 
+  // Resolve all uses of aliases with aliasees
+  if (ResolveAliases(Dest)) return true;
+
   // If the source library's module id is in the dependent library list of the
   // destination library, remove it since that module is now linked in.
   sys::Path modId;