[Bug middle-end/60484] [4.7/4.8/4.9 Regression] -fdump-rtl-expand and attribute optimize gives incorrect dump file path

[mpolacek at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60484

--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
I've just regtested a similar patch, so it looks good.