[Bug c++/116281] Comma operator used in the middle operand of a conditional expression is incorrectly rejected in non static data member initializer

[schwab--- via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116281

--- Comment #3 from Andreas Schwab <sch...@linux-m68k.org> ---
In other contexts where the comma has a special meaning like function call
arguments the expression is accepted.