cfg.c (redirect_edge_succ_nodup): Duplicate the varm map before removing the edge.

	* cfg.c (redirect_edge_succ_nodup): Duplicate the varm map
	before removing the edge.

	* cfgrtl.c (cfg_layout_redirect_edge_and_branch): Do not use E after
	it may have been freed by redirect_branch_edge or
	redirect_edge_succ_nodup.

From-SVN: r171356

1 files changed, 1 insertions, 1 deletions

diff --git a/gcc/cfg.c b/gcc/cfg.c
index c8ef799..5b1dc26 100644
--- a/gcc/cfg.c
+++ b/gcc/cfg.c
@@ -402,8 +402,8 @@ redirect_edge_succ_nodup (edge e, basic_block new_succ)
       if (s->probability > REG_BR_PROB_BASE)
 	s->probability = REG_BR_PROB_BASE;
       s->count += e->count;
-      remove_edge (e);
       redirect_edge_var_map_dup (s, e);
+      remove_edge (e);
       e = s;
     }
   else