[Bug binutils/25078] stack overflow in function find_abstract_instance

[amodra at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=25078

Alan Modra <amodra at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2019-10-08
                 CC|                            |amodra at gmail dot com
           Assignee|unassigned at sourceware dot org   |amodra at gmail dot com
     Ever confirmed|0                           |1

--- Comment #1 from Alan Modra <amodra at gmail dot com> ---
So I added simple infinite recursion detection to find_abstract_instace for
PR22187.  Now someone has crafted a binary to get around that via mutual
recursion.  Oh well, I suppose I should have closed the original bug as
wont-fix or fixed the recursion properly.

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