Update clang to 84175.

1 files changed, 5 insertions, 2 deletions

diff --git a/lib/Sema/SemaTemplateInstantiate.cpp b/lib/Sema/SemaTemplateInstantiate.cpp
index 65260c8..24b8370 100644
--- a/lib/Sema/SemaTemplateInstantiate.cpp
+++ b/lib/Sema/SemaTemplateInstantiate.cpp
@@ -808,9 +808,12 @@ Sema::InstantiateClass(SourceLocation PointOfInstantiation,
   ActOnFields(0, Instantiation->getLocation(), DeclPtrTy::make(Instantiation),
               Fields.data(), Fields.size(), SourceLocation(), SourceLocation(),
               0);
-
+  if (Instantiation->isInvalidDecl())
+    Invalid = true;
+  
   // Add any implicitly-declared members that we might need.
-  AddImplicitlyDeclaredMembersToClass(Instantiation);
+  if (!Invalid)
+    AddImplicitlyDeclaredMembersToClass(Instantiation);
 
   // Exit the scope of this instantiation.
   CurContext = PreviousContext;