Use FPT::getArgTypes() instead of manually building ArrayRefs

Made significantly easier with git-clang-format.

Differential Revision: http://llvm-reviews.chandlerc.com/D947

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@183694 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaTemplate.cpp b/lib/Sema/SemaTemplate.cpp
index 9531b2e..7ad3131 100644
--- a/lib/Sema/SemaTemplate.cpp
+++ b/lib/Sema/SemaTemplate.cpp
@@ -5950,9 +5950,7 @@
           const FunctionProtoType *FPT = FT->castAs<FunctionProtoType>();
           FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo();
           EPI.TypeQuals |= Qualifiers::Const;
-          FT = Context.getFunctionType(FPT->getResultType(),
-                                       ArrayRef<QualType>(FPT->arg_type_begin(),
-                                                          FPT->getNumArgs()),
+          FT = Context.getFunctionType(FPT->getResultType(), FPT->getArgTypes(),
                                        EPI);
         }
       }