diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index a9c1ec1..bee5422 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -8514,7 +8514,7 @@
       New->setAccess(PrevDecl->getAccess());
 
     DeclContext *DC = New->getDeclContext()->getRedeclContext();
-    DC->makeDeclVisibleInContext(New, /* Recoverable = */ false);
+    DC->makeDeclVisibleInContext(New);
     if (Name) // can be null along some error paths
       if (Scope *EnclosingScope = getScopeForDeclContext(S, DC))
         PushOnScopeChains(New, EnclosingScope, /* AddToContext = */ false);
@@ -8522,7 +8522,7 @@
     S = getNonFieldDeclScope(S);
     PushOnScopeChains(New, S, !IsForwardReference);
     if (IsForwardReference)
-      SearchDC->makeDeclVisibleInContext(New, /* Recoverable = */ false);
+      SearchDC->makeDeclVisibleInContext(New);
 
   } else {
     CurContext->addDecl(New);
diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index abbbe11..b6866d0 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -5829,14 +5829,15 @@
 }
 
 void Sema::PushUsingDirective(Scope *S, UsingDirectiveDecl *UDir) {
-  // If scope has associated entity, then using directive is at namespace
-  // or translation unit scope. We add UsingDirectiveDecls, into
-  // it's lookup structure.
-  if (DeclContext *Ctx = static_cast<DeclContext*>(S->getEntity()))
+  // If the scope has an associated entity and the using directive is at
+  // namespace or translation unit scope, add the UsingDirectiveDecl into
+  // its lookup structure so qualified name lookup can find it.
+  DeclContext *Ctx = static_cast<DeclContext*>(S->getEntity());
+  if (Ctx && !Ctx->isFunctionOrMethod())
     Ctx->addDecl(UDir);
   else
-    // Otherwise it is block-sope. using-directives will affect lookup
-    // only to the end of scope.
+    // Otherwise, it is at block sope. The using-directives will affect lookup
+    // only to the end of the scope.
     S->PushUsingDirective(UDir);
 }
 
@@ -10195,7 +10196,7 @@
   // lookup context is in lexical scope.
   if (!CurContext->isDependentContext()) {
     DC = DC->getRedeclContext();
-    DC->makeDeclVisibleInContext(ND, /* Recoverable=*/ false);
+    DC->makeDeclVisibleInContext(ND);
     if (Scope *EnclosingScope = getScopeForDeclContext(S, DC))
       PushOnScopeChains(ND, EnclosingScope, /*AddToContext=*/ false);
   }
diff --git a/lib/Sema/SemaDeclObjC.cpp b/lib/Sema/SemaDeclObjC.cpp
index d224f10..268ab36 100644
--- a/lib/Sema/SemaDeclObjC.cpp
+++ b/lib/Sema/SemaDeclObjC.cpp
@@ -1026,7 +1026,7 @@
     // Add ivar's to class's DeclContext.
     for (unsigned i = 0, e = numIvars; i != e; ++i) {
       ivars[i]->setLexicalDeclContext(ImpDecl);
-      IDecl->makeDeclVisibleInContext(ivars[i], false);
+      IDecl->makeDeclVisibleInContext(ivars[i]);
       ImpDecl->addDecl(ivars[i]);
     }
     
@@ -1050,7 +1050,7 @@
       }
       // Instance ivar to Implementation's DeclContext.
       ImplIvar->setLexicalDeclContext(ImpDecl);
-      IDecl->makeDeclVisibleInContext(ImplIvar, false);
+      IDecl->makeDeclVisibleInContext(ImplIvar);
       ImpDecl->addDecl(ImplIvar);
     }
     return;
diff --git a/lib/Sema/SemaLookup.cpp b/lib/Sema/SemaLookup.cpp
index f1eb522..fbb0dc6 100644
--- a/lib/Sema/SemaLookup.cpp
+++ b/lib/Sema/SemaLookup.cpp
@@ -106,7 +106,8 @@
       assert(InnermostFileDC && InnermostFileDC->isFileContext());
 
       for (; S; S = S->getParent()) {
-        if (DeclContext *Ctx = static_cast<DeclContext*>(S->getEntity())) {
+        DeclContext *Ctx = static_cast<DeclContext*>(S->getEntity());
+        if (Ctx && !Ctx->isFunctionOrMethod()) {
           DeclContext *EffectiveDC = (Ctx->isFileContext() ? Ctx : InnermostFileDC);
           visit(Ctx, EffectiveDC);
         } else {
diff --git a/lib/Sema/SemaObjCProperty.cpp b/lib/Sema/SemaObjCProperty.cpp
index 5c28db4..5ece8f1 100644
--- a/lib/Sema/SemaObjCProperty.cpp
+++ b/lib/Sema/SemaObjCProperty.cpp
@@ -740,7 +740,7 @@
                                   ObjCIvarDecl::Private,
                                   (Expr *)0, true);
       ClassImpDecl->addDecl(Ivar);
-      IDecl->makeDeclVisibleInContext(Ivar, false);
+      IDecl->makeDeclVisibleInContext(Ivar);
       property->setPropertyIvarDecl(Ivar);
 
       if (!getLangOpts().ObjCNonFragileABI)
diff --git a/lib/Sema/SemaTemplate.cpp b/lib/Sema/SemaTemplate.cpp
index af6b319..e76a253 100644
--- a/lib/Sema/SemaTemplate.cpp
+++ b/lib/Sema/SemaTemplate.cpp
@@ -1088,7 +1088,7 @@
     // Friend templates are visible in fairly strange ways.
     if (!CurContext->isDependentContext()) {
       DeclContext *DC = SemanticContext->getRedeclContext();
-      DC->makeDeclVisibleInContext(NewTemplate, /* Recoverable = */ false);
+      DC->makeDeclVisibleInContext(NewTemplate);
       if (Scope *EnclosingScope = getScopeForDeclContext(S, DC))
         PushOnScopeChains(NewTemplate, EnclosingScope,
                           /* AddToContext = */ false);
diff --git a/lib/Sema/SemaTemplateInstantiateDecl.cpp b/lib/Sema/SemaTemplateInstantiateDecl.cpp
index 56ce50e..f10670c 100644
--- a/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -817,7 +817,7 @@
 
   // Finish handling of friends.
   if (isFriend) {
-    DC->makeDeclVisibleInContext(Inst, /*Recoverable*/ false);
+    DC->makeDeclVisibleInContext(Inst);
     Inst->setLexicalDeclContext(Owner);
     RecordInst->setLexicalDeclContext(Owner);
     return Inst;
@@ -1189,7 +1189,7 @@
       PrevDecl = Function->getPreviousDecl();
 
     PrincipalDecl->setObjectOfFriendDecl(PrevDecl != 0);
-    DC->makeDeclVisibleInContext(PrincipalDecl, /*Recoverable=*/ false);
+    DC->makeDeclVisibleInContext(PrincipalDecl);
 
     bool queuedInstantiation = false;