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fixes #14557 (#14607)

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Andreas Rumpf 2020-06-08 14:32:45 +02:00 • committed by GitHub
commit e3f80e434a
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compiler/parampatterns.nim
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@ -200,7 +200,7 @@ proc exprRoot*(n: PNode): PSym =
if it.len > 0 and it.typ != nil: it = it.lastSon
else: break
of nkCallKinds:
if it.typ != nil and it.typ.kind == tyVar and it.len > 1:
if it.typ != nil and it.typ.kind in {tyVar, tyLent} and it.len > 1:
# See RFC #7373, calls returning 'var T' are assumed to
# return a view into the first argument (if there is one):
it = it[1]