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ARC: fixes memory leaks with newSeq used in a loop [backport:1.4] (#18040)

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* ARC: fixes memory leaks with newSeq used in a loop [backport:1.4]
* Update tests/arc/tnewseq_legacy.nim
This commit is contained in:
Andreas Rumpf 2021-05-18 21:45:37 +02:00 • committed by GitHub
commit 53935b8b27
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3 changed files with 23 additions and 1 deletions
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7
compiler/ccgexprs.nim
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@ -2319,7 +2319,12 @@ proc genMagicExpr(p: BProc, e: PNode, d: var TLoc, op: TMagic) =
gcUsage(p.config, e)
else:
genNewFinalize(p, e)
of mNewSeq: genNewSeq(p, e)
of mNewSeq:
if optSeqDestructors in p.config.globalOptions:
e[1] = makeAddr(e[1], p.module.idgen)
genCall(p, e, d)
else:
genNewSeq(p, e)
of mNewSeqOfCap: genNewSeqOfCap(p, e, d)
of mSizeOf:
let t = e[1].typ.skipTypes({tyTypeDesc})