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Stop type aliases from inheriting sfUsed (#19861)

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Fixes #18201

Co-authored-by: quantimnot <quantimnot@users.noreply.github.com>
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quantimnot 2022-06-04 00:25:21 -04:00 • committed by GitHub
commit f7a13f62d6
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2 changed files with 41 additions and 14 deletions
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compiler/ast.nim
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@ -1506,7 +1506,7 @@ proc assignType*(dest, src: PType) =
# this fixes 'type TLock = TSysLock':
if src.sym != nil:
if dest.sym != nil:
dest.sym.flags.incl src.sym.flags-{sfExported}
dest.sym.flags.incl src.sym.flags-{sfUsed, sfExported}
if dest.sym.annex == nil: dest.sym.annex = src.sym.annex
mergeLoc(dest.sym.loc, src.sym.loc)
else: