2b4e07b814
PR libstdc++/49060 * include/backward/hashtable.h (hashtable::erase): Don't crash if erasing first and another element with a reference to the other element. * testsuite/backward/hash_set/49060.cc: New. From-SVN: r174240
36 lines
778 B
C++
36 lines
778 B
C++
// { dg-options "-Wno-deprecated" }
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#include <backward/hashtable.h>
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#include <utility>
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struct modulo2_hash
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{
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size_t operator()(int const key) const
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{
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return key % 2;
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}
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};
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struct modulo2_eq
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{
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bool operator()(int const left, int const right) const
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{
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return left % 2 == right % 2;
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}
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};
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int main()
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{
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typedef std::_Select1st<std::pair<int const, int> > extract_type;
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typedef
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__gnu_cxx::hashtable<std::pair<int const, int>, int, modulo2_hash,
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extract_type, modulo2_eq, std::allocator<int> >
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table_type;
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table_type table(4, modulo2_hash(), modulo2_eq(), extract_type(),
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std::allocator<int>());
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table.insert_equal(std::make_pair(2, 1));
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table_type::iterator it(table.insert_equal(std::make_pair(4, 2)));
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table.erase(it->first);
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}
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