[Bug ipa/68057] [6 Regression] 450.soplex in SPEC CPU 2006 failed to build

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68057

--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
Honza, can you work on this please?  It blocks backporting the devirt
wrong-code fix.