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much better fix

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This commit is contained in:
Araq
2026-04-20 07:43:21 +02:00
parent 615f242de2
commit 7c3c474981
1 changed files with 9 additions and 3 deletions
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12
compiler/ccgexprs.nim
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@@ -1889,11 +1889,17 @@ proc genObjConstr(p: BProc, e: PNode, d: var TLoc) =
var t = e.typ.skipTypes(abstractInstOwned)
let isRef = t.kind == tyRef
# check if we need to construct the object in a temporary
# check if we need to construct the object in a temporary.
# A temp is needed when:
# - the constructor produces a ref (isRef)
# - the destination is not a writable location (d.k == locNone)
# - the constructed type differs from the destination type (subtype
# assignments need the genAssignment path for ObjectAssignmentDefect)
# - the constructor's field values may alias the destination (isPartOf)
var useTemp =
isRef or
(d.k notin {locTemp,locLocalVar,locGlobalVar,locParam,locField} and
d.storage != OnHeap) or
d.k == locNone or
(d.t != nil and not sameBackendType(t, d.t.skipTypes(abstractInstOwned))) or
(isPartOf(d.lode, e) != arNo)
var tmp: TLoc = default(TLoc)