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c++: add fixed testcase [PR109464]

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Seems to be fixed by r15-521-g6ad7ca1bb90573.

	PR c++/109464

gcc/testsuite/ChangeLog:

	* g++.dg/template/explicit-instantiation8.C: New test.
This commit is contained in:
Patrick Palka 2024-07-19 11:08:09 -04:00
parent 8fbc386c12
commit 58a9f3ded1
1 changed files with 24 additions and 0 deletions
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24
gcc/testsuite/g++.dg/template/explicit-instantiation8.C Normal file
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// PR c++/109464
// { dg-do compile { target c++11 } }
template<typename T>
struct shallow
{
int len;
constexpr shallow() : len(0) { }
};
template<typename T>
struct use_shallow
{
static constexpr shallow<T> s_zstr = { };
static_assert(s_zstr.len == 0, "");
};
extern template struct shallow<char>;
extern template struct use_shallow<char>;
template struct shallow<char>;
template struct use_shallow<char>;
// { dg-final { scan-assembler "_ZN7shallowIcEC2Ev" } }