[Bug ipa/60243] IPA is slow on large cgraph tree

[hubicka at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60243

--- Comment #13 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
BTW, compiled with C++ FE we seem to have important bottleneck in 
linemap_macro_map_lookup