[Bug c++/64500] push_to_top_level() shows up high during Chromium build.

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64500

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Created attachment 34498
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34498&action=edit
perf report for the testcase