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Generic tuple recursion fix (#11115)

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* fixes #1145
* unify error messages
This commit is contained in:
Arne Döring
2019-04-28 10:11:41 +02:00
committed by Andreas Rumpf
parent da3b649539
commit a432aedb54
4 changed files with 13 additions and 4 deletions
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4
compiler/semtypes.nim
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@@ -1348,8 +1348,8 @@ proc semGeneric(c: PContext, n: PNode, s: PSym, prev: PType): PType =
# special check for generic object with
# generic/partial specialized parent
let tx = result.skipTypes(abstractPtrs, 50)
if tx.isNil:
localError(c.config, n.info, "invalid recursion in type '$1'" % typeToString(result[0]))
if tx.isNil or isTupleRecursive(tx):
localError(c.config, n.info, "illegal recursion in type '$1'" % typeToString(result[0]))
return errorType(c)
if tx != result and tx.kind == tyObject and tx.sons[0] != nil:
semObjectTypeForInheritedGenericInst(c, n, tx)