This bug was fixed in the package backport-iwlwifi-dkms -
7906-0ubuntu2~19.10.1
---------------
backport-iwlwifi-dkms (7906-0ubuntu2~19.10.1) eoan; urgency=low
*
debian/patches/0006-NOUPSTREAM-backport-rename-ktime_get_boot_ns-for-v5..patch
- fix build against v5.3. (LP: #1848922)
*
debian/patches/0005-Makefile.kernel-pass-fno-stack-clash-protection-and-.patch
- add -fcf-protection=none when using retpoline flags. (LP: #1830961)
- drop -fno-stack-clash-protection for it's no longer necessary.
-- You-Sheng Yang <[email protected]> Mon, 21 Oct 2019
20:22:27 +0800
** Changed in: backport-iwlwifi-dkms (Ubuntu Eoan)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1830961
Title:
Kernels & kernel drivers fail to build with gcc-9 [error: ‘-mindirect-
branch’ and ‘-fcf-protection’ are not compatible]
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