view outlive the location it was borrowed from

[gabbhack]

trafficstars

Example

{.experimental: "views".}

type
  Foo = object
    value: openArray[string]

proc main(): auto =
  let a = ["1", "2", "3"]

  let foo = Foo(value: a.toOpenArray(0, 2))
  
  return foo

echo main()

https://play.nim-lang.org/#ix=41Mo

Current Output

SIGSEGV: Illegal storage access. (Attempt to read from nil?)
Segmentation fault (core dumped)

Expected Output

Compile-time error

$ nim -v
Nim Compiler Version 1.6.6 [Windows: amd64]
Compiled at 2022-05-05
Copyright (c) 2006-2021 by Andreas Rumpf

active boot switches: -d:release