Make safer variant of alias resolution routine to be default

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56005 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Linker/LinkModules.cpp b/lib/Linker/LinkModules.cpp
index f4ebe6b..b867705 100644
--- a/lib/Linker/LinkModules.cpp
+++ b/lib/Linker/LinkModules.cpp
@@ -1169,7 +1169,7 @@
 static bool ResolveAliases(Module *Dest) {
   for (Module::alias_iterator I = Dest->alias_begin(), E = Dest->alias_end();
        I != E; ++I)
-    if (const GlobalValue *GV = I->resolveAliasedGlobal(/*traverseWeak*/ false))
+    if (const GlobalValue *GV = I->resolveAliasedGlobal())
       if (GV != I && !GV->isDeclaration())
         I->replaceAllUsesWith(const_cast<GlobalValue*>(GV));