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fix #12303 (#15964)

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flywind
2020-11-14 19:51:23 +08:00
committed by GitHub
parent 784720a7ef
commit 47ce24f680
3 changed files with 26 additions and 2 deletions
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9
compiler/jsgen.nim
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@@ -1074,8 +1074,13 @@ proc genAsgnAux(p: PProc, x, y: PNode, noCopyNeeded: bool) =
lineF(p, "$1 = $2;$n", [a.rdLoc, b.rdLoc])
else:
useMagic(p, "nimCopy")
lineF(p, "nimCopy($1, $2, $3);$n",
[a.res, b.res, genTypeInfo(p, y.typ)])
# supports proc getF(): var T
if x.kind in {nkHiddenDeref, nkDerefExpr} and x[0].kind in nkCallKinds:
lineF(p, "nimCopy($1, $2, $3);$n",
[a.res, b.res, genTypeInfo(p, y.typ)])
else:
lineF(p, "$1 = nimCopy($1, $2, $3);$n",
[a.res, b.res, genTypeInfo(p, y.typ)])
of etyBaseIndex:
if a.typ != etyBaseIndex or b.typ != etyBaseIndex:
if y.kind == nkCall: