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fixes #4686

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Araq 2017-11-23 02:37:23 +01:00
commit dee5e63f62
1 changed files with 1 additions and 1 deletions
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compiler/semtypes.nim
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@ -1360,7 +1360,7 @@ proc semTypeNode(c: PContext, n: PNode, prev: PType): PType =
case n.len
of 3:
result = semTypeNode(c, n.sons[1], prev)
if result.skipTypes({tyGenericInst, tyAlias}).kind in NilableTypes+GenericTypes and
if result.skipTypes({tyGenericInst, tyAlias}).kind in NilableTypes+GenericTypes+{tyForward} and
n.sons[2].kind == nkNilLit:
result = freshType(result, prev)
result.flags.incl(tfNotNil)