[Bug c/70436] [4.9/5/6 Regression] -Wparentheses missing ambiguous else warning

[bernds at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70436

--- Comment #9 from Bernd Schmidt <bernds at gcc dot gnu.org> ---
I suspect what broke it was git revision 0375a27521885.