Avoid stack overflow/infinite recursion if node references itself
Avoid stack overflow/infinite recursion if node references itself

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=4587

Credit to oss-fuzz

JGrothoff/open62541,StalderT/open62541,jpfr/open62541,open62541/open62541,open62541/open62541,JGrothoff/open62541,open62541/open62541,StalderT/open62541,jpfr/open62541,open62541/open62541,JGrothoff/open62541,StalderT/open62541,StalderT/open62541,jpfr/open62541,JGrothoff/open62541,jpfr/open62541