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8375544: JfrSet::clear should not use memset

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Reviewed-by: mgronlun
This commit is contained in:
Kim Barrett 2026-01-21 14:55:26 +00:00
parent 4c9103f7b6
commit 3033e6f421
1 changed files with 9 additions and 1 deletions
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10
src/hotspot/share/jfr/utilities/jfrSet.hpp
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@ -26,6 +26,7 @@
#define SHARE_JFR_UTILITIES_JFRSET_HPP
#include "cppstdlib/new.hpp"
#include "cppstdlib/type_traits.hpp"
#include "jfr/utilities/jfrTypes.hpp"
#include "memory/allocation.hpp"
@ -110,7 +111,14 @@ class JfrSetStorage : public AnyObj {
}
void clear() {
memset(_table, 0, _table_size * sizeof(K));
for (unsigned i = 0; i < _table_size; ++i) {
if constexpr (std::is_copy_assignable_v<K>) {
_table[i] = K{};
} else {
_table[i].~K();
::new (&_table[i]) K{};
}
}
}
};