// RUN: %clang_cc1 -fsyntax-only -verify -ffreestanding %s
// expected-no-diagnostics
%:include <stdint.h>
%:ifndef BUFSIZE
%:define BUFSIZE 512
%:endif
void copy(char d<::>, const char s<::>, int len)
<%
while (len-- >= 0)
<%
d<:len:> = s<:len:>;
%>
%>