[Bug tree-optimization/86573] Failure to optimise passing simple values to inlined function

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86573

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Niall Douglas from comment #5)
> Thanks for the rapid feedback. Very very interesting that -std=c++17 causes
> spew for the copy case https://godbolt.org/g/Xnrgg2, yet -std=c++14 or
> -std=c++11 does not.
> 
> Is the -std=c++17 case worth opening a new bug report for?

I guess so (same for -std=c++2a btw)