RFC: Closing memory leaks to reduce the BFD linker's memory profile

[Alan Modra]

On Fri, Jan 09, 2026 at 03:39:48PM +0000, Nick Clifton wrote:
>   closure.  But overall I am wondering whether this is actually a useful
>   exercise or if I should be looking elsewhere for memory savings.

This one does seem worth fixing, but I'd say it would be better done
by allocating the matching_sections list on a new obstack which then
is easy to throw away.

-- 
Alan Modra
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