This bug was fixed in the package initramfs-tools - 0.133ubuntu14
--------------- initramfs-tools (0.133ubuntu14) focal; urgency=medium
* Handle both libgcc1 and libgcc-s1 locations.
initramfs-tools (0.133ubuntu13) focal; urgency=medium
* Cherrypick upstream patch to include libgcc_s for libpthread. LP: #1861757
-- Dimitri John Ledkov <email address hidden> Tue, 04 Feb 2020 23:51:00 +0000
This bug was fixed in the package initramfs-tools - 0.133ubuntu14
---------------
initramfs-tools (0.133ubuntu14) focal; urgency=medium
* Handle both libgcc1 and libgcc-s1 locations.
initramfs-tools (0.133ubuntu13) focal; urgency=medium
* Cherrypick upstream patch to include libgcc_s for libpthread. LP:
#1861757
-- Dimitri John Ledkov <email address hidden> Tue, 04 Feb 2020 23:51:00 +0000