[Bug libstdc++/96922] primary expression error when using parenthesis around requires expression for some concepts

[rene.r...@fu-berlin.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96922

--- Comment #1 from Rene Rahn <rene.r...@fu-berlin.de> ---
Also note, that this does not happen in c++20 mode using gcc-10.2 (see link to
compiler explorer).