Jonathan Wakely
5439234be2
These functions should be qualified to disable unwanted ADL. The overload of __check_singular_aux for safe iterators was previously being found by ADL, because it wasn't declared before __check_singular. Add a declaration so that it can be found by qualified lookup. libstdc++-v3/ChangeLog: * include/debug/helper_functions.h (__get_distance) (__check_singular, __valid_range_aux, __valid_range): Qualify calls to disable ADL. (__check_singular_aux(const _Safe_iterator_base*)): Declare overload that was previously found via ADL. (cherry picked from commit fa98bc4270dcb4ec78b5b1c0f4c067094c84bae6)
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