alternative to #18918 (#18927)

* fix #16558

* add testcase
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flywind 2021-09-30 22:57:06 +08:00 • committed by GitHub
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tests/arc/t16558.nim Normal file
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discard """
matrix: "--gc:arc"
errormsg: "expression cannot be cast to int"
"""
block: # bug #16558
var value = "hi there"
var keepInt: int
keepInt = cast[int](value)