error: index 9 is out of bounds for constant 'K' (4 elements)
  --> examples/1163-diagnostics-array-const-index-oob.sx:10:10
   |
10 |     b : [K[9]]u8 = ---;
   |          ^^^^

error: array dimension must be a compile-time integer constant
  --> examples/1163-diagnostics-array-const-index-oob.sx:10:10
   |
10 |     b : [K[9]]u8 = ---;
   |          ^^^^