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ARC: fixes leaking new() statement (#12665)

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Andreas Rumpf 2019-11-15 12:38:11 +01:00 • committed by GitHub
commit 76179cbec2
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3 changed files with 24 additions and 8 deletions
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8
compiler/injectdestructors.nim
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@ -32,7 +32,7 @@ type
uninit: IntSet # set of uninit'ed vars
uninitComputed: bool
const toDebug = "" # "server" # "serverNimAsyncContinue"
const toDebug {.strdefine.} = "" # "server" # "serverNimAsyncContinue"
template dbg(body) =
when toDebug.len > 0:
@ -450,7 +450,11 @@ proc p(n: PNode; c: var Con): PNode =
for i in 1..<n.len:
n[i] = pArg(n[i], c, i < L and isSinkTypeForParam(parameters[i]))
result = n
of nkDiscardStmt: #Small optimization
if result[0].kind == nkSym and result[0].sym.magic in {mNew, mNewFinalize}:
if c.graph.config.selectedGC in {gcHooks, gcDestructors}:
let destroyOld = genDestroy(c, result[1])
result = newTree(nkStmtList, destroyOld, result)
of nkDiscardStmt: # Small optimization
if n[0].kind != nkEmpty:
n[0] = pArg(n[0], c, false)
result = n