Sema: additional check for one-possible-value types in analyzeLoad

This is needed because pointers to zero-bit types are not necessarily
comptime known, but when doing a load, only the element type having one
possible value is relevant.
a4ff94804cAndrew Kelley committed on 5/25/2022, 1:20:03 AMparent1f16b07
1 file changedLine totals unavailable