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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [g++.dg/] [template/] [qualttp19.C] - Rev 853
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// { dg-do compile }
// Copyright (C) 2001 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 15 Dec 2001 <nathan@codesourcery.com>
// PR 2645
template <typename T>
struct call_traits
{
public:
typedef T type_less_spec;
};
template <typename T>
struct call_traits<T&>
{
typedef T type_more_spec;
};
int main()
{
int num;
// Two typedefs lead to the instant. of the less spec. ("wrong") template
typedef int& r_type;
typedef const r_type cr_type;
call_traits<cr_type>::type_less_spec var = num; // { dg-error "" "" }
// The explicit type leads to the instantiation of the "correct" one
call_traits<const int&>::type_more_spec var2 = num;
// As happen with a single typedef!
typedef const int& std_cr_type;
call_traits<std_cr_type>::type_more_spec var3 = num;
// As happen, indeed, without the cv-qualifier
call_traits<r_type>::type_more_spec var4;
}
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