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fixes an old ARC bug: the produced copy/sink operations don't copy the hidden type field for objects with enabled inheritance; fixes #19205 [backport:1.6] (#19232)

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Andreas Rumpf 2021-12-09 22:23:16 +01:00 • committed by GitHub
commit 32d4bf3525
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6 changed files with 38 additions and 2 deletions
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compiler/types.nim
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@ -1705,3 +1705,6 @@ proc isCharArrayPtr*(t: PType; allowPointerToChar: bool): bool =
result = allowPointerToChar
else:
discard
proc lacksMTypeField*(typ: PType): bool {.inline.} =
(typ.sym != nil and sfPure in typ.sym.flags) or tfFinal in typ.flags