[llvm-bugs] [Bug 46663] undefined symbol when a static constexpr field is defined in the class body

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=46663

Richard Smith <richard-llvm at metafoo.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Richard Smith <richard-llvm at metafoo.co.uk> ---
Prior to C++17, you need a separate out-of-line definition for the static data
member:

const float C::c;

See
https://en.cppreference.com/w/cpp/language/static#:~:text=definition%20at%20namespace%20scope
for more information.

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