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* [Bug c++/96499] New: Compare std::variant with int using C++20 <=> occurs internal compiler error
@ 2020-08-06 13:54 hewillk at gmail dot com
2020-10-22 15:48 ` [Bug c++/96499] Pass ill-formed visitor with different return type of result type of 3-way comparison into std::visit " hewillk at gmail dot com
0 siblings, 1 reply; 2+ messages in thread
From: hewillk at gmail dot com @ 2020-08-06 13:54 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96499
Bug ID: 96499
Summary: Compare std::variant with int using C++20 <=> occurs
internal compiler error
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: hewillk at gmail dot com
Target Milestone: ---
#include <variant>
constexpr auto operator<=>(const auto& v, const auto& u) {
return std::visit([&u](const auto& t) { return t <=> u; }, v);
}
constexpr std::variant<double, int> v{1};
static_assert(v < 2);
This will occurs internal compiler error for gcc-trunk.
godbolt link:
https://godbolt.org/z/EcGKc3
^ permalink raw reply [flat|nested] 2+ messages in thread
* [Bug c++/96499] Pass ill-formed visitor with different return type of result type of 3-way comparison into std::visit occurs internal compiler error
2020-08-06 13:54 [Bug c++/96499] New: Compare std::variant with int using C++20 <=> occurs internal compiler error hewillk at gmail dot com
@ 2020-10-22 15:48 ` hewillk at gmail dot com
0 siblings, 0 replies; 2+ messages in thread
From: hewillk at gmail dot com @ 2020-10-22 15:48 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96499
康桓瑋 <hewillk at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|UNCONFIRMED |RESOLVED
--- Comment #1 from 康桓瑋 <hewillk at gmail dot com> ---
Fixed.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2020-08-06 13:54 [Bug c++/96499] New: Compare std::variant with int using C++20 <=> occurs internal compiler error hewillk at gmail dot com
2020-10-22 15:48 ` [Bug c++/96499] Pass ill-formed visitor with different return type of result type of 3-way comparison into std::visit " hewillk at gmail dot com
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