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Fix unsound transform pass (#8633)

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When a `var openArray[T]` function parameter goes trough the
`transformAddrDeref` pass we may lose the `var` specifier, leading to
nasty crashes at runtime.
This commit is contained in:
LemonBoy 2018-08-14 20:38:04 +02:00 • committed by Andreas Rumpf
commit c04404635b
4 changed files with 22 additions and 0 deletions
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compiler/astalgo.nim
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@ -412,6 +412,8 @@ proc debugTree(conf: ConfigRef; n: PNode, indent: int, maxRecDepth: int;
else:
addf(result, ",$N$1\"ident\": null", [istr])
else:
if renderType and n.typ != nil:
addf(result, ",$N$1\"typ\": $2", [istr, debugType(conf, n.typ, 2)])
if sonsLen(n) > 0:
addf(result, ",$N$1\"sons\": [", [istr])
for i in countup(0, sonsLen(n) - 1):