[Bug libstdc++/103879] error: accessing value of variant::_Copy_ctor_base through a 'const variant' glvalue in a constant expression

[lhlaurini at hotmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103879

Luiz Henrique Laurini <lhlaurini at hotmail dot com> changed:

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                 CC|                            |lhlaurini at hotmail dot com

--- Comment #3 from Luiz Henrique Laurini <lhlaurini at hotmail dot com> ---
(In reply to Andrew Pinski from comment #2)
> MSVC also rejects it:
> example.cpp
> <source>(14): error C2131: expression did not evaluate to a constant
> <source>(10): note: failure was caused by call of undefined function or one
> not declared 'constexpr'
> <source>(10): note: see usage of 'S::~S'

It does compile with MSVC v19.latest: https://godbolt.org/z/McKjfdP5Y.