1 files changed, 52 insertions, 0 deletions
diff --git a/clang/lib/Sema/TreeTransform.h b/clang/lib/Sema/TreeTransform.h
index c53505d10ab..ef3740b7177 100644
--- a/clang/lib/Sema/TreeTransform.h
+++ b/clang/lib/Sema/TreeTransform.h
@@ -699,6 +699,12 @@ public:
   QualType RebuildMemberPointerType(QualType PointeeType, QualType ClassType,
                                     SourceLocation Sigil);
 
+  QualType RebuildObjCTypeParamType(const ObjCTypeParamDecl *Decl,
+                                    SourceLocation ProtocolLAngleLoc,
+                                    ArrayRef<ObjCProtocolDecl *> Protocols,
+                                    ArrayRef<SourceLocation> ProtocolLocs,
+                                    SourceLocation ProtocolRAngleLoc);
+
   /// \brief Build an Objective-C object type.
   ///
   /// By default, performs semantic analysis when building the object type.
@@ -5944,6 +5950,39 @@ TreeTransform<Derived>::TransformObjCInterfaceType(TypeLocBuilder &TLB,
 
 template<typename Derived>
 QualType
+TreeTransform<Derived>::TransformObjCTypeParamType(TypeLocBuilder &TLB,
+                                                   ObjCTypeParamTypeLoc TL) {
+  const ObjCTypeParamType *T = TL.getTypePtr();
+  ObjCTypeParamDecl *OTP = cast_or_null<ObjCTypeParamDecl>(
+      getDerived().TransformDecl(T->getDecl()->getLocation(), T->getDecl()));
+  if (!OTP)
+    return QualType();
+
+  QualType Result = TL.getType();
+  if (getDerived().AlwaysRebuild() ||
+      OTP != T->getDecl()) {
+    Result = getDerived().RebuildObjCTypeParamType(OTP,
+                 TL.getProtocolLAngleLoc(),
+                 llvm::makeArrayRef(TL.getTypePtr()->qual_begin(),
+                                    TL.getNumProtocols()),
+                 TL.getProtocolLocs(),
+                 TL.getProtocolRAngleLoc());
+    if (Result.isNull())
+      return QualType();
+  }
+
+  ObjCTypeParamTypeLoc NewTL = TLB.push<ObjCTypeParamTypeLoc>(Result);
+  if (TL.getNumProtocols()) {
+    NewTL.setProtocolLAngleLoc(TL.getProtocolLAngleLoc());
+    for (unsigned i = 0, n = TL.getNumProtocols(); i != n; ++i)
+      NewTL.setProtocolLoc(i, TL.getProtocolLoc(i));
+    NewTL.setProtocolRAngleLoc(TL.getProtocolRAngleLoc());
+  }
+  return Result;
+}
+
+template<typename Derived>
+QualType
 TreeTransform<Derived>::TransformObjCObjectType(TypeLocBuilder &TLB,
                                                 ObjCObjectTypeLoc TL) {
   // Transform base type.
@@ -11501,6 +11540,19 @@ TreeTransform<Derived>::RebuildMemberPointerType(QualType PointeeType,
 }
 
 template<typename Derived>
+QualType TreeTransform<Derived>::RebuildObjCTypeParamType(
+           const ObjCTypeParamDecl *Decl,
+           SourceLocation ProtocolLAngleLoc,
+           ArrayRef<ObjCProtocolDecl *> Protocols,
+           ArrayRef<SourceLocation> ProtocolLocs,
+           SourceLocation ProtocolRAngleLoc) {
+  return SemaRef.BuildObjCTypeParamType(Decl,
+                                        ProtocolLAngleLoc, Protocols,
+                                        ProtocolLocs, ProtocolRAngleLoc,
+                                        /*FailOnError=*/true);
+}
+
+template<typename Derived>
 QualType TreeTransform<Derived>::RebuildObjCObjectType(
            QualType BaseType,
            SourceLocation Loc,