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fixes #21043; fixes a named exception in the infixAs expression which generate an implicit uninitialized let statement (#21081)

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* fixes #21043; fixes a named exception in the infixAs expression which generate an implicit uninitialized let statement

* Update compiler/sempass2.nim

Co-authored-by: Andreas Rumpf <rumpf_a@web.de>

Co-authored-by: Andreas Rumpf <rumpf_a@web.de>
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ringabout 2022-12-12 23:14:44 +08:00 • committed by GitHub
commit 4388636010
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3 changed files with 27 additions and 1 deletions
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compiler/sempass2.nim
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@ -491,6 +491,10 @@ proc trackTryStmt(tracked: PEffects, n: PNode) =
let b = n[i]
if b.kind == nkExceptBranch:
setLen(tracked.init, oldState)
for j in 0..<b.len - 1:
if b[j].isInfixAs(): # skips initialization checks
assert(b[j][2].kind == nkSym)
tracked.init.add b[j][2].sym.id
track(tracked, b[^1])
for i in oldState..<tracked.init.len:
addToIntersection(inter, tracked.init[i])