[Bug c/99278] typo in diagnostic: 'may reade'

[roland.illig at gmx dot de via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99278

--- Comment #2 from Roland Illig <roland.illig at gmx dot de> ---
Another trivial typo, also in builtins.c: 'epecting' should be 'expecting'