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[Octave-bug-tracker] [bug #58905] "Non-real pivot encountered" during ma

From: Dmitri A. Sergatskov
Subject: [Octave-bug-tracker] [bug #58905] "Non-real pivot encountered" during make check for ichol
Date: Wed, 5 Aug 2020 17:21:56 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0 
Follow-up Comment #1, bug #58905 (project octave):

If anything that looks like a gcc bug. "-O3" is always a suspect.

In any case I do not see this problem on Fedora 32 with

gcc version 10.2.1 20200723 (Red Hat 10.2.1-1) (GCC)
openblas 0.3.9-3
octave hg id 652a675c0916 tip @

compiled with "-O3 -march=native -flto=4 -fno-fat-lto-objects" 
flags on i7-2600K

Dmitri.
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