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fix #19266; allow reassign discriminant field (#19567)

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* add inUncheckedAssignSection

* add one more test
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flywind 2022-02-26 03:33:28 +08:00 • committed by GitHub
commit 9c17a32e0e
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4 changed files with 39 additions and 2 deletions
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compiler/ccgstmts.nim
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@ -1566,7 +1566,7 @@ proc asgnFieldDiscriminant(p: BProc, e: PNode) =
initLocExpr(p, e[0], a)
getTemp(p, a.t, tmp)
expr(p, e[1], tmp)
if optTinyRtti notin p.config.globalOptions:
if optTinyRtti notin p.config.globalOptions and p.inUncheckedAssignSection == 0:
let field = dotExpr[1].sym
genDiscriminantCheck(p, a, tmp, dotExpr[0].typ, field)
message(p.config, e.info, warnCaseTransition)