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arc optimizations (#13325)

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* scope based destructors
* handle 'or' and 'and' expressions properly, see the new test arc/tcontrolflow.nim
* make this branch mergable, logic is disabled for now
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Andreas Rumpf 2020-03-18 16:57:34 +01:00 • committed by GitHub
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11 changed files with 312 additions and 95 deletions
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4
compiler/closureiters.nim
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@ -154,8 +154,8 @@ type
# is their finally. For finally it is parent finally. Otherwise -1
const
nkSkip = { nkEmpty..nkNilLit, nkTemplateDef, nkTypeSection, nkStaticStmt,
nkCommentStmt } + procDefs
nkSkip = {nkEmpty..nkNilLit, nkTemplateDef, nkTypeSection, nkStaticStmt,
nkCommentStmt} + procDefs
proc newStateAccess(ctx: var Ctx): PNode =
if ctx.stateVarSym.isNil: