Today got the same issue with this query:

SELECT (1,1) c0, (1,(1)) c0;

<Fatal> : Logical error: 'Inconsistent AST formatting: the query:

SELECT (1, 1) AS c0, (1, 1) AS c0

Was parsed and formatted back as:

SELECT (1, 1) AS c0, c0'.

Originally posted by @PedroTadim in #68296