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[Bug lto/83201] [7/8 Regression] SPEC CPU2017 505.mcf_r produces incorrect output when built with -flto and FDO
- From: "marxin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 19 Dec 2017 12:21:54 +0000
- Subject: [Bug lto/83201] [7/8 Regression] SPEC CPU2017 505.mcf_r produces incorrect output when built with -flto and FDO
- Auto-submitted: auto-generated
- References: <bug-83201-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83201
--- Comment #9 from Martin Liška <marxin at gcc dot gnu.org> ---
Using just a single ltrans, I see first divergence in mcf_r.ltrans0.088t.dom1.
Richi, how possible is the revision real culprit?