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* [Bug c++/96716] New: GCC reports "object is private" when it's accessed through proper accessor @ 2020-08-19 20:36 vorfeed.canal at gmail dot com 2020-08-20 8:06 ` [Bug c++/96716] " redi at gcc dot gnu.org 2020-08-20 8:09 ` redi at gcc dot gnu.org 0 siblings, 2 replies; 3+ messages in thread From: vorfeed.canal at gmail dot com @ 2020-08-19 20:36 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96716 Bug ID: 96716 Summary: GCC reports "object is private" when it's accessed through proper accessor Product: gcc Version: 10.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: vorfeed.canal at gmail dot com Target Milestone: --- The following program doesn't work ( https://godbolt.org/z/87cr44 ): #include <array> #include <string_view> class Foo { public: auto constexpr getfoo() const -> std::string_view { return {foo.data(), 2}; } private: const std::array<char, 3> foo = {'a', 'b', '\0'}; }; inline constexpr Foo foo; template <typename> class Bar { public: static constexpr auto bar = foo.getfoo(); }; auto& baz = Bar<int>::bar; Error message: <source>: In instantiation of 'constexpr const std::basic_string_view<char> Bar<int>::bar': <source>:21:23: required from here <source>:18:25: error: 'const std::array<char, 3> Foo::foo' is private within this context 18 | static constexpr auto bar = foo.getfoo(); | ^~~ <source>:10:29: note: declared private here 10 | const std::array<char, 3> foo = {'a', 'b', '\0'}; | ^~~ Compiler returned: 1 All other compilers work fine ( https://godbolt.org/z/WvfrPf ) ^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug c++/96716] GCC reports "object is private" when it's accessed through proper accessor 2020-08-19 20:36 [Bug c++/96716] New: GCC reports "object is private" when it's accessed through proper accessor vorfeed.canal at gmail dot com @ 2020-08-20 8:06 ` redi at gcc dot gnu.org 2020-08-20 8:09 ` redi at gcc dot gnu.org 1 sibling, 0 replies; 3+ messages in thread From: redi at gcc dot gnu.org @ 2020-08-20 8:06 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96716 Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2020-08-20 Ever confirmed|0 |1 Keywords| |rejects-valid --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- Reduced: struct string_view { constexpr string_view(const char* p) : p(p) { } const char* p; }; class Foo { public: constexpr string_view getfoo() const { return {&foo}; } private: const char foo = 'c'; }; inline constexpr Foo foo; template <typename> class Bar { public: static constexpr auto bar = foo.getfoo(); }; auto& baz = Bar<int>::bar; pr96716.C: In instantiation of 'constexpr const string_view Bar<int>::bar': pr96716.C:24:23: required from here pr96716.C:21:25: error: 'const char Foo::foo' is private within this context 21 | static constexpr auto bar = foo.getfoo(); | ^~~ pr96716.C:13:14: note: declared private here 13 | const char foo = 'c'; | ^~~ ^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug c++/96716] GCC reports "object is private" when it's accessed through proper accessor 2020-08-19 20:36 [Bug c++/96716] New: GCC reports "object is private" when it's accessed through proper accessor vorfeed.canal at gmail dot com 2020-08-20 8:06 ` [Bug c++/96716] " redi at gcc dot gnu.org @ 2020-08-20 8:09 ` redi at gcc dot gnu.org 1 sibling, 0 replies; 3+ messages in thread From: redi at gcc dot gnu.org @ 2020-08-20 8:09 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96716 --- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> --- Slightly further reduced: struct string_view { constexpr string_view(const char* p) : p(p) { } const char* p; }; struct Foo { constexpr string_view getfoo() const { return {&foo}; } private: const char foo = 'c'; }; inline constexpr Foo foo; template <typename> struct Bar { static constexpr auto bar = foo.getfoo(); }; auto& baz = Bar<int>::bar; ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2020-08-20 8:09 UTC | newest] Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2020-08-19 20:36 [Bug c++/96716] New: GCC reports "object is private" when it's accessed through proper accessor vorfeed.canal at gmail dot com 2020-08-20 8:06 ` [Bug c++/96716] " redi at gcc dot gnu.org 2020-08-20 8:09 ` redi at gcc dot gnu.org
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