[Bug c/97702] comma operator does not drop qualifiers during lvalue conversion

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97702

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
N.B. http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2593.htm proposes to
standardise typeof.