[PATCH][4.1] Fix PR29610, ICE due to bug in cleanup_control_flow

[Diego Novillo]

Richard Guenther wrote on 11/01/06 09:56:

> 	PR tree-optimization/29610
> 	* tree-cfgcleanup.c (cleanup_control_flow): Honor return value
> 	of tree_purge_dead_eh_edges as it may free dominators.
> 
> 	* g++.dg/other/pr29610.C: New testcase.
> 
OK everywhere.


:REVIEWMAIL: