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When using directly __gnu_debug::vector the std::erase_if is called with a reference to the std::vector base class and so is missing the invalidation of the iterators implied by this operation. To fix this provide a std::erase_if overload dedicated to __gnu_debug::vector. Doing so we can cleanup the implementation dedicated to std::vector from any _GLIBCXX_DEBUG consideration. libstdc++-v3/ChangeLog: * include/debug/vector (std::erase_if, std::erase): New overloads for std::__debug::vector instances. * include/std/vector (std::erase_if, std::erase): Make overloads specific to normal std::vector implementation. * testsuite/23_containers/vector/debug/erase.cc: New test case. * testsuite/23_containers/vector/debug/invalidation/erase.cc: New test case.