[Bug c++/86567] [8/9 Regression] -Wnonnull/-Wformat/-Wrestrict affect code generation

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86567

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|unknown                     |8.1.1
   Target Milestone|---                         |8.2

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
I think maybe_constant_value has a cache which may cause side-effects.