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fix #15405. deepcopy arc (#15410)

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* fix #15405
* fix tests
* deepcopy for ARC has to be enabled via --deepcopy:on

Co-authored-by: Araq <rumpf_a@web.de>
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cooldome 2020-10-01 16:39:48 +01:00 • committed by GitHub
commit 531ed2dc36
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9 changed files with 52 additions and 5 deletions
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4
compiler/ccgexprs.nim
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@ -2394,6 +2394,10 @@ proc genMagicExpr(p: BProc, e: PNode, d: var TLoc, op: TMagic) =
let n = semparallel.liftParallel(p.module.g.graph, p.module.module, e)
expr(p, n, d)
of mDeepCopy:
if p.config.selectedGC in {gcArc, gcOrc} and optEnableDeepCopy notin p.config.globalOptions:
localError(p.config, e.info,
"for --gc:arc|orc 'deepcopy' support has to be enabled with --deepcopy:on")
var a, b: TLoc
let x = if e[1].kind in {nkAddr, nkHiddenAddr}: e[1][0] else: e[1]
initLocExpr(p, x, a)