Comment by rwmj
1 year ago
You do get occasional regressions. eg. We found an extremely obscure bug involving enabling frame pointers, valgrind, glibc ifuncs and inlining (all at the same time):
https://bugzilla.redhat.com/show_bug.cgi?id=2267598 https://github.com/tukaani-project/xz/commit/82ecc538193b380...
FYI, this "regression" was likely actually a symptom of a purposely-inserted backdoor. See [1] and my comment there [2].
[1]: https://news.ycombinator.com/item?id=39867301