[Bug c/67435] Large performance drop on apparently unrelated changes (probable cause : strange inlining side-effect)

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67435

--- Comment #2 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
And you can use -fdump-ipa-inline to look at gcc's inline decisions in detail.