[PATCH] Fix IRA memory leak (PR middle-end/56461)

Jeff Law law@redhat.com
Fri Mar 1 22:48:00 GMT 2013


On 03/01/2013 01:21 PM, Jakub Jelinek wrote:
> Hi!
>
> When ira_destroy is called, often (always?) this is after
> loop_optimize_finalize call and thus current_loops is NULL, which results in
> only freeing ira_loop_nodes[0] and not ira_loop_nodes[1] and above (if any).
>
> Fixed thusly, bootstrapped/regtested on x86_64-linux and i686-linux, ok for
> trunk?
>
> 2013-03-01  Jakub Jelinek  <jakub@redhat.com>
>
> 	PR middle-end/56461
> 	* ira-build.c (ira_loop_nodes_count): New variable.
> 	(create_loop_tree_nodes): Initialize it.
> 	(finish_loop_tree_nodes): Use it instead of looking at current_loops.
OK.

Jeff



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