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fix #6108

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This commit is contained in:
Zahary Karadjov 2017-10-07 21:49:11 +03:00 • committed by Araq
commit 70380882c5
2 changed files with 21 additions and 5 deletions
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13
compiler/semexprs.nim
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@ -1365,13 +1365,16 @@ proc semAsgn(c: PContext, n: PNode; mode=asgnNormal): PNode =
if lhsIsResult:
n.typ = enforceVoidContext
if c.p.owner.kind != skMacro and resultTypeIsInferrable(lhs.sym.typ):
if cmpTypes(c, lhs.typ, rhs.typ) == isGeneric:
var rhsTyp = rhs.typ
if rhsTyp.kind in tyUserTypeClasses and rhsTyp.isResolvedUserTypeClass:
rhsTyp = rhsTyp.lastSon
if cmpTypes(c, lhs.typ, rhsTyp) in {isGeneric, isEqual}:
internalAssert c.p.resultSym != nil
lhs.typ = rhs.typ
c.p.resultSym.typ = rhs.typ
c.p.owner.typ.sons[0] = rhs.typ
lhs.typ = rhsTyp
c.p.resultSym.typ = rhsTyp
c.p.owner.typ.sons[0] = rhsTyp
else:
typeMismatch(n.info, lhs.typ, rhs.typ)
typeMismatch(n.info, lhs.typ, rhsTyp)
n.sons[1] = fitNode(c, le, rhs, n.info)
if not newDestructors: