This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug bootstrap/82831] [8 Regression] Broken PGO bootstrap on i586-linux-gnu after r254379
- From: "hubicka at ucw dot cz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 06 Nov 2017 15:05:55 +0000
- Subject: [Bug bootstrap/82831] [8 Regression] Broken PGO bootstrap on i586-linux-gnu after r254379
- Auto-submitted: auto-generated
- References: <bug-82831-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82831
--- Comment #1 from Jan Hubicka <hubicka at ucw dot cz> ---
This seems previously latent bug in bb-reorder. It produces order of blocks
which
has hot blocks, then some cold blocks and then hot blocks again.
I am not sure why this happens though.
Honza