diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/semtypes.nim | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/semtypes.nim b/compiler/semtypes.nim index ac0636211..8a9f4a988 100644 --- a/compiler/semtypes.nim +++ b/compiler/semtypes.nim @@ -787,6 +787,8 @@ proc liftParamType(c: PContext, procKind: TSymKind, genericParams: PNode, result = addImplicitGeneric(typ) else: for i in 0 .. <paramType.sons.len: + if paramType.sons[i] == paramType: + globalError(info, errIllegalRecursionInTypeX, typeToString(paramType)) var lifted = liftingWalk(paramType.sons[i]) if lifted != nil: paramType.sons[i] = lifted |