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gcc
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testsuite
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g++.dg
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warn
/
Wunused-var-25.C
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// { dg-do compile { target c++14 } }
// { dg-options "-Wunused-but-set-variable" }
template
<
int
...
I
>
struct
A
{
};
template
<
int
...
I
>
auto
f
()
{
constexpr
int
ar
[
sizeof
...(
I
)+
1
]
=
{
I
...};
return
A
<
ar
[
I
]...>();
}
int
main
()
{
f
<>();
}