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fix #14421 items uses lent T (#14447)

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* fix #14421 items uses lent T for seq + openArray
* add -d:nimWorkaround14447
* fix test
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Timothee Cour 2020-05-29 08:10:59 -07:00 • committed by GitHub
commit 63d1a0289e
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11 changed files with 40 additions and 13 deletions
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compiler/lambdalifting.nim
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@ -291,7 +291,8 @@ proc markAsClosure(g: ModuleGraph; owner: PSym; n: PNode) =
if illegalCapture(s):
localError(g.config, n.info,
("'$1' is of type <$2> which cannot be captured as it would violate memory" &
" safety, declared here: $3") % [s.name.s, typeToString(s.typ), g.config$s.info])
" safety, declared here: $3; using '-d:nimWorkaround14447' helps in some cases") %
[s.name.s, typeToString(s.typ), g.config$s.info])
elif owner.typ.callConv notin {ccClosure, ccDefault}:
localError(g.config, n.info, "illegal capture '$1' because '$2' has the calling convention: <$3>" %
[s.name.s, owner.name.s, CallingConvToStr[owner.typ.callConv]])