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[Bug gas/23938] should not free memory alloced in obstack by free()


From: amodra at gmail dot com
Subject: [Bug gas/23938] should not free memory alloced in obstack by free()
Date: Fri, 30 Nov 2018 10:13:26 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=23938

Alan Modra <amodra at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2018-11-30
                 CC|                            |amodra at gmail dot com
     Ever confirmed|0                           |1

--- Comment #1 from Alan Modra <amodra at gmail dot com> ---
This bug has existed since 1996, git commit c7a89bde9b7.

You can't simply call obstack_free though, since obstack_free frees all more
recently allocated memory on the obstack as well as its arg (and obstack_free
takes an obstack arg too).

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