message: Use braces when building an 'llvm_return' via EDSC intrinsics. This fixes a build error on MSVC where it is unable to properly handled template type aliases.
diff: @@ -643,7 +643,7 @@ static void getLLVMLibraryCallDefinition(Function *fn,
  llvm_store(arg, alloca);
  }
  call(ArrayRef<Type>(), builder.getFunctionAttr(implFn), implFnArgs);
  - llvm_return(ArrayRef<Value *>());
  + llvm_return{ArrayRef<Value *>()};
  }
  namespace {
  