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fixes #6489

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Araq 2017-11-23 02:32:51 +01:00
commit 8a601669ef
6 changed files with 20 additions and 6 deletions
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compiler/sempass2.nim
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@ -525,7 +525,7 @@ proc notNilCheck(tracked: PEffects, n: PNode, paramType: PType) =
# addr(x[]) can't be proven, but addr(x) can:
if not containsNode(n, {nkDerefExpr, nkHiddenDeref}): return
elif (n.kind == nkSym and n.sym.kind in routineKinds) or
n.kind in procDefs+{nkObjConstr, nkBracket}:
n.kind in procDefs+{nkObjConstr, nkBracket, nkClosure}:
# 'p' is not nil obviously:
return
case impliesNotNil(tracked.guards, n)