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fixes #14444; add genLineDir before assignment (#21201)

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* fixes #14444; add `genLineDir` before raises

* add a test case

* fixes differently
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ringabout 2022-12-30 00:06:57 +08:00 • committed by GitHub
commit 705da9d452
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compiler/ccgstmts.nim
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@ -1620,6 +1620,7 @@ proc genAsgn(p: BProc, e: PNode, fastAsgn: bool) =
initLoc(a, locNone, le, OnUnknown)
a.flags.incl(lfEnforceDeref)
a.flags.incl(lfPrepareForMutation)
genLineDir(p, le) # it can be a nkBracketExpr, which may raise
expr(p, le, a)
a.flags.excl(lfPrepareForMutation)
if fastAsgn: incl(a.flags, lfNoDeepCopy)