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fixes #5432

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Araq 2017-02-25 23:58:47 +01:00
commit d91d338d03
2 changed files with 17 additions and 1 deletions
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compiler/cgmeth.nim
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@ -169,7 +169,8 @@ proc methodDef*(g: ModuleGraph; s: PSym, fromCache: bool) =
fixupDispatcher(s, disp)
#echo "fixup ", disp.name.s, " ", disp.id
when useEffectSystem: checkMethodEffects(disp, s)
if sfBase in s.flags and g.methods[i].methods[0] != s:
if {sfBase, sfFromGeneric} * s.flags == {sfBase} and
g.methods[i].methods[0] != s:
# already exists due to forwarding definition?
localError(s.info, "method is not a base")
return