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fixes #21989; lift =dup from a custom =copy for objects to keep backward compatibilities (#22009)

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* fixes #21989; optimize `=dup` iff it is overridden

* remove owned

* fixes refs

* lift destructors

* lift dup
This commit is contained in:
ringabout
2023-06-07 21:13:34 +08:00
committed by GitHub
parent ebecfbc7a5
commit 47fa7506ab
1 changed files with 10 additions and 1 deletions
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11
compiler/liftdestructors.nim
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@@ -979,7 +979,16 @@ proc fillBody(c: var TLiftCtx; t: PType; body, x, y: PNode) =
else:
fillBodyObjT(c, t, body, x, y)
else:
fillBodyObjT(c, t, body, x, y)
if c.kind == attachedDup:
var op2 = getAttachedOp(c.g, t, attachedAsgn)
if op2 != nil and sfOverriden in op2.flags:
#markUsed(c.g.config, c.info, op, c.g.usageSym)
onUse(c.info, op2)
body.add newHookCall(c, t.assignment, x, y)
else:
fillBodyObjT(c, t, body, x, y)
else:
fillBodyObjT(c, t, body, x, y)
of tyDistinct:
if not considerUserDefinedOp(c, t, body, x, y):
fillBody(c, t[0], body, x, y)