2 files changed, 15 insertions, 13 deletions
diff --git a/lib/AST/Decl.cpp b/lib/AST/Decl.cpp
index 6c620713f7..063914092e 100644
--- a/lib/AST/Decl.cpp
+++ b/lib/AST/Decl.cpp
@@ -528,19 +528,6 @@ OverloadedOperatorKind FunctionDecl::getOverloadedOperator() const {
 // TagDecl Implementation
 //===----------------------------------------------------------------------===//
 
-bool TagDecl::isDependentType() const {
-  if (const CXXRecordDecl *Record = dyn_cast<CXXRecordDecl>(this))
-    if (Record->getDescribedClassTemplate())
-      return true;
-    
-  if (const TagDecl *TD = dyn_cast_or_null<TagDecl>(getDeclContext()))
-    return TD->isDependentType();
-
-  // FIXME: Tag types declared function templates are dependent types.
-  // FIXME: Look through block scopes.
-  return false;
-}
-
 void TagDecl::startDefinition() {
   TagType *TagT = const_cast<TagType *>(TypeForDecl->getAsTagType());
   TagT->decl.setPointer(this);
diff --git a/lib/AST/DeclBase.cpp b/lib/AST/DeclBase.cpp
index 071fb79101..ba8f3351c3 100644
--- a/lib/AST/DeclBase.cpp
+++ b/lib/AST/DeclBase.cpp
@@ -396,6 +396,21 @@ void DeclContext::DestroyDecls(ASTContext &C) {
     (*D++)->Destroy(C);
 }
 
+bool DeclContext::isDependentContext() const {
+  if (isFileContext())
+    return false;
+
+  if (const CXXRecordDecl *Record = dyn_cast<CXXRecordDecl>(this))
+    if (Record->getDescribedClassTemplate())
+      return true;
+
+  if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(this))
+    if (Function->getDescribedFunctionTemplate())
+      return true;
+  
+  return getParent() && getParent()->isDependentContext();
+}
+
 bool DeclContext::isTransparentContext() const {
   if (DeclKind == Decl::Enum)
     return true; // FIXME: Check for C++0x scoped enums