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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug lto/45375] [meta-bug] Issues with building Mozilla (i.e.
 Firefox) with LTO
Date: Sat, 25 Jul 2020 12:23:20 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D45375

--- Comment #223 from Martin Li=C5=A1ka <marxin at gcc dot gnu.org> ---
(In reply to Martin Li=C5=A1ka from comment #222)
> (In reply to Martin Li=C5=A1ka from comment #221)
> > For the chromium with GCC 10, inliner starts after ~5 minutes, so it's =
very
> > likely inliner that takes so long.
>=20
>   45.07%  libc-2.31.so  [.] __memset_avx2_erms
>   21.79%  [kernel]      [k] change_protection_range
>    3.74%  lto1          [.] fibonacci_heap<sreal, cgraph_edge>::consolida=
te
>    3.54%  lto1          [.] fibonacci_heap<sreal,
> cgraph_edge>::extract_minimum_node
>    2.63%  [kernel]      [k] task_numa_work

Suggested patch for it:
https://gcc.gnu.org/pipermail/gcc-patches/2020-July/550662.html=