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fix #16639 (#21017)

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metagn 2022-12-06 00:52:49 +03:00 • committed by GitHub
commit e98efdcc5e
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2 changed files with 25 additions and 3 deletions
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7
compiler/semtypes.nim
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@ -777,9 +777,10 @@ proc semRecordNodeAux(c: PContext, n: PNode, check: var IntSet, pos: var int,
if n == nil: return
case n.kind
of nkRecWhen:
var a = copyTree(n)
var branch: PNode = nil # the branch to take
for i in 0..<n.len:
var it = n[i]
for i in 0..<a.len:
var it = a[i]
if it == nil: illFormedAst(n, c.config)
var idx = 1
case it.kind
@ -805,7 +806,7 @@ proc semRecordNodeAux(c: PContext, n: PNode, check: var IntSet, pos: var int,
semRecordNodeAux(c, it[idx], newCheck, newPos, newf, rectype, hasCaseFields)
it[idx] = if newf.len == 1: newf[0] else: newf
if c.inGenericContext > 0:
father.add n
father.add a
elif branch != nil:
semRecordNodeAux(c, branch, check, pos, father, rectype, hasCaseFields)
elif father.kind in {nkElse, nkOfBranch}: