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[libcxx] Remove Redundant Reset in ~basic_string #164718

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Merged
merged 4 commits into from
Nov 3, 2025
+6 −1
Merged

[libcxx] Remove Redundant Reset in ~basic_string #164718

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2a97f2d
[libcxx] Remove Redundant Reset in ~basic_string
boomanaiden154 Oct 22, 2025
9de412d
refactor
boomanaiden154 Oct 23, 2025
a98ac47
feedback
boomanaiden154 Nov 3, 2025
fa510f2
Add TODO
boomanaiden154 Nov 3, 2025
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4 changes: 3 additions & 1 deletion libcxx/include/string
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Original file line number Diff line number Diff line change
Expand Up @@ -644,6 +644,7 @@ basic_string<char32_t> operator""s( const char32_t *str, size_t len );
# include <__utility/forward.h>
# include <__utility/is_pointer_in_range.h>
# include <__utility/move.h>
# include <__utility/no_destroy.h>
# include <__utility/scope_guard.h>
# include <__utility/swap.h>
# include <climits>
Expand Down Expand Up @@ -918,6 +919,7 @@ private:
__rep() = default;
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 __rep(__short __r) : __s(__r) {}
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 __rep(__long __r) : __l(__r) {}
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 __rep(__uninitialized_tag) {}
};

_LIBCPP_COMPRESSED_PAIR(__rep, __rep_, allocator_type, __alloc_);
Expand Down Expand Up @@ -1210,7 +1212,7 @@ public:
}
# endif // _LIBCPP_CXX03_LANG

inline _LIBCPP_CONSTEXPR_SINCE_CXX20 ~basic_string() { __reset_internal_buffer(); }
inline _LIBCPP_CONSTEXPR_SINCE_CXX20 ~basic_string() { __reset_internal_buffer(__rep(__uninitialized_tag())); }

_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 operator __self_view() const _NOEXCEPT {
return __self_view(typename __self_view::__assume_valid(), data(), size());
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