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fixes #12336 [backport]

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This commit is contained in:
Andreas Rumpf 2019-10-02 17:01:27 +02:00
commit 98e76a1058
1 changed files with 1 additions and 1 deletions
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compiler/semtypinst.nim
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@ -589,7 +589,7 @@ proc replaceTypeVarsTAux(cl: var TReplTypeVars, t: PType): PType =
for i in 0 ..< len(result):
if result.sons[i] != nil:
if result.sons[i].kind == tyGenericBody:
localError(cl.c.config, t.sym.info,
localError(cl.c.config, if t.sym != nil: t.sym.info else: cl.info,
"cannot instantiate '" &
typeToString(result.sons[i], preferDesc) &
"' inside of type definition: '" &