• Simon Marlow's avatar
    Give sub-binders different fingerprints (#5614) · a77a68e7
    Simon Marlow authored
    This is a pretty egregious mistake in the recompilation checker: in a
    declaration with multiple binders (e.g. data T = A | B) we were giving
    all the binders the same fingerprint when referenced, so e.g. an
    unfolding that mentioned A would get the same fingerprint as if it
    mentioned B instead.  The fix is of course to give them all different
MkIface.lhs 74 KB