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fixes #16617 [backport] (#19300)

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Andreas Rumpf 2021-12-31 09:21:30 +01:00 • committed by GitHub
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compiler/typeallowed.nim
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@ -57,6 +57,8 @@ proc typeAllowedAux(marker: var IntSet, typ: PType, kind: TSymKind,
of tyVar, tyLent:
if kind in {skProc, skFunc, skConst} and (views notin c.features):
result = t
elif taIsOpenArray in flags:
result = t
elif t.kind == tyLent and ((kind != skResult and views notin c.features) or
kind == skParam): # lent can't be used as parameters.
result = t