Adding block metadata facilities into the GC package#17073

Merged

dlang-bot merged 2 commits intodlang:masterfrom schveiguy:addgcblockmeta

Nov 18, 2024

+215-302

Commits on Nov 17, 2024

Migrate block metadata facilities into the GC package.
schveiguy
committed

Commits on Nov 18, 2024

Deduplicate __arraySetAllocLength. The only difference really is how we
schveiguy
committed