[Bug c++/91415] Invalid warning for C++17 sequencing of shift operator E1<<E2.

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91415

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Oh, and need to look also at CALL_EXPR.