[Bug c++/101029] unexpected error: non-constant condition for static assertion in gcc 10/11, but not 9 (clang also fine)

[jim.w.walker at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101029

--- Comment #1 from Jim Walker <jim.w.walker at gmail dot com> ---
Adding version output:

/opt/gcc-10.2.0/bin/g++ --version
g++ (GCC) 10.2.0
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This is free software; see the source for copying conditions.  There is NO
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Thanks