https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90220
--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> --- Author: redi Date: Wed Apr 24 15:17:43 2019 New Revision: 270547 URL: https://gcc.gnu.org/viewcvs?rev=270547&root=gcc&view=rev Log: PR libstdc++/90220 Fix std::any_cast for array types Although the std::any constructors use decay_t to determine the type of the contained value, std::any_cast should use the un-decayed type (and so always fail for function and array types that decay to pointers). Using remove_cv_t is correct, because the condition for std::any_cast to return non-null is operand.type() == typeid(T) and typeid ignores top-level cv-qualifiers. PR libstdc++/90220 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t. Avoid a runtime check for types that can never be stored in std::any. * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with array types. Modified: trunk/libstdc++-v3/ChangeLog trunk/libstdc++-v3/include/std/any trunk/libstdc++-v3/testsuite/20_util/any/misc/any_cast.cc
