Error "cannot evaluate at compile time" for blocks returning const values

[alex65536]

Description

# error: cannot evaluate at compile time: res
func foo1*(c: int): int {.inline.} =
  const arr = block:
    var res: array[0..99, int]
    res[42] = 43
    res
  arr[c]

# works
func foo2*(c: int): int {.inline.} =
  func initArr(): auto =
    var res: array[0..99, int]
    res[42] = 43
    res
  const arr = initArr()
  arr[c]

# also works
const globalArr = block:
  var res: array[0..99, int]
  res[42] = 43
  res
func foo3*(c: int): int {.inline.} = globalArr[c]

Nim Version

Reproducible both on 2.0.8 and devel

Current Output

repro.nim(4, 9) Error: cannot evaluate at compile time: res

Expected Output

*compiles and runs successfully*

Possible Solution

No response

Additional Information

No response

[alex65536]

Possibly related to #8758.