[Bug tree-optimization/122197] [16 Regression] predictively devirtualization vs middle-end warnings since r16-4000

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122197

--- Comment #10 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #0)
> Created attachment 62520 [details]
> testcase
> 
> Compile the attached at `-std=c++11 -O3 -W -Wall` and you get:

N.B. the testcase needs <stdexcept> with current trunk, so #include it or add
to the options:  -include stdexcept