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gcc
/
refs/heads/devel/gccgo
/
.
/
libstdc++-v3
/
testsuite
/
20_util
/
is_invocable
/
dangling_ref.cc
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// { dg-do compile { target c++17 } }
#include
<type_traits>
static_assert
(
not std
::
is_invocable_r_v
<
const
int
&,
int
()>
);
static_assert
(
not std
::
is_invocable_r_v
<
int
&&,
int
()>
);
static_assert
(
not std
::
is_invocable_r_v
<
const
long
&,
int
()>
);