diff --git a/lib/Frontend/RewriteBlocks.cpp b/lib/Frontend/RewriteBlocks.cpp
index b29f9ea..25e7fc4 100644
--- a/lib/Frontend/RewriteBlocks.cpp
+++ b/lib/Frontend/RewriteBlocks.cpp
@@ -694,7 +694,7 @@
     assert(1 && "RewriteBlockClass: Bad type");
   }
   assert(CPT && "RewriteBlockClass: Bad type");
-  const FunctionType *FT = CPT->getPointeeType()->getAsFunctionType();
+  const FunctionType *FT = CPT->getPointeeType()->getAs<FunctionType>();
   assert(FT && "RewriteBlockClass: Bad type");
   const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(FT);
   // FTP will be null for closures that don't take arguments.
@@ -814,11 +814,11 @@
   const FunctionProtoType *FTP;
   const PointerType *PT = QT->getAs<PointerType>();
   if (PT) {
-    FTP = PT->getPointeeType()->getAsFunctionProtoType();
+    FTP = PT->getPointeeType()->getAs<FunctionProtoType>();
   } else {
     const BlockPointerType *BPT = QT->getAs<BlockPointerType>();
     assert(BPT && "BlockPointerTypeTakeAnyBlockArguments(): not a block pointer type");
-    FTP = BPT->getPointeeType()->getAsFunctionProtoType();
+    FTP = BPT->getPointeeType()->getAs<FunctionProtoType>();
   }
   if (FTP) {
     for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(),