Because I feel the above is like a regression, I checked the default toolchain to see the differences, and I found that -mbranch-protection=standard is used by default now on mantic, and it was not used in the mantic build [1] prior to this mantic rebuild.
Because I feel the above is like a regression, I checked the default toolchain to see the differences, and I found that -mbranch- protection= standard is used by default now on mantic, and it was not used in the mantic build [1] prior to this mantic rebuild.
Checking it ...
[1] https:/ /launchpadlibra rian.net/ 682563409/ buildlog_ ubuntu- mantic- arm64.dovecot_ 1%3A2.3. 20+dfsg1- 1ubuntu2_ BUILDING. txt.gz