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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. From-SVN: r270547 |
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| doc | ||
| include | ||
| libsupc++ | ||
| po | ||
| python | ||
| scripts | ||
| src | ||
| testsuite | ||
| acinclude.m4 | ||
| aclocal.m4 | ||
| ChangeLog | ||
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| ChangeLog-2018 | ||
| config.h.in | ||
| configure | ||
| configure.ac | ||
| configure.host | ||
| crossconfig.m4 | ||
| fragment.am | ||
| linkage.m4 | ||
| Makefile.am | ||
| Makefile.in | ||
| README | ||
file: libstdc++-v3/README New users may wish to point their web browsers to the file index.html in the 'doc/html' subdirectory. It contains brief building instructions and notes on how to configure the library in interesting ways.