1 | Index: D:/boost/boost.build/libs/serialization/src/extended_type_info.cpp
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2 | ===================================================================
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3 | --- D:/boost/boost.build/libs/serialization/src/extended_type_info.cpp (revision 138997)
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4 | +++ D:/boost/boost.build/libs/serialization/src/extended_type_info.cpp (revision 138998)
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5 | @@ -78,6 +78,8 @@
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6 | BOOST_SERIALIZATION_DECL(void)
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7 | extended_type_info::key_register(const char *key) {
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8 | assert(NULL != key);
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9 | + if (m_key)
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10 | + return;
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11 | m_key = key;
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12 | singleton<detail::ktmap>::get_mutable_instance().insert(this);
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13 | }
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