>>>> You should see error "Lisp nesting exceeds `max-lisp-eval-depth`"
>>> 
>>> It's an infinite recursion inside isearch-mouse-2.
>> 
>> This is because let-binding overriding-terminal-local-map to nil
>>
>>  (let ((overriding-terminal-local-map nil))
>>    (key-binding (this-command-keys-vector) t))
>> 
>> doesn't disable its current value anymore.
>
> No, it's because commit 57b14370cd added isearch-mode to 
> minor-mode-map-alist without let-binding it to nil in isearch-mouse-2. 
> Patch attached.
>

Patch attached now ;-)