[Bug ipa/68148] Devirtualization only applies to last of multiple successive calls

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68148

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |missed-optimization
                 CC|                            |hubicka at gcc dot gnu.org
          Component|c++                         |ipa

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
I suppose it's simply that the devirt machinery operates at a call level and
not
a vtable level.