Checking qsort comparator validity (transitivity and anti-commutativity properties) reveals some inconsistent comparators. This meta-bug depends on bugs filed for individual issues. This is not strictly a gcc-8 regression, issues could have been present for a long time, they just started causing a non-release-checking ICE.
The only remaining PR is tracked as [8 Regression] already, we don't need 2 regression PRs for the same issue.
GCC 8.1 has been released.
GCC 8.2 has been released.
GCC 8.3 has been released.
GCC 8.4.0 has been released, adjusting target milestone.
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