Ben Gamari authored 1 year ago and Marge Bot committed 1 year ago

This addresses an odd asymmetry in the ByteArray# primops, which
previously provided unsafeFreezeByteArray# but no corresponding
thaw operation.

Closes #22710

Ben Gamari authored 2 years ago and Marge Bot committed 1 year ago

This adds testing infrastructure to ensure that changes in core
libraries (e.g. `base` and `ghc-prim`) are caught in CI.