1 files changed, 21 insertions, 0 deletions

diff --git a/lib/Sema/SemaTemplateDeduction.cpp b/lib/Sema/SemaTemplateDeduction.cpp
index df4d4a828d48..7f16400aea8d 100644
--- a/lib/Sema/SemaTemplateDeduction.cpp
+++ b/lib/Sema/SemaTemplateDeduction.cpp
@@ -2419,6 +2419,27 @@ MarkUsedTemplateParameters(Sema &SemaRef, QualType T,
                                  OnlyDeduced, Depth, Used);
     break;
 
+  case Type::TypeOf:
+    if (!OnlyDeduced)
+      MarkUsedTemplateParameters(SemaRef,
+                                 cast<TypeOfType>(T)->getUnderlyingType(),
+                                 OnlyDeduced, Depth, Used);
+    break;
+
+  case Type::TypeOfExpr:
+    if (!OnlyDeduced)
+      MarkUsedTemplateParameters(SemaRef,
+                                 cast<TypeOfExprType>(T)->getUnderlyingExpr(),
+                                 OnlyDeduced, Depth, Used);
+    break;
+
+  case Type::Decltype:
+    if (!OnlyDeduced)
+      MarkUsedTemplateParameters(SemaRef,
+                                 cast<DecltypeType>(T)->getUnderlyingExpr(),
+                                 OnlyDeduced, Depth, Used);
+    break;
+
   // None of these types have any template parameters in them.
   case Type::Builtin:
   case Type::VariableArray: