re PR middle-end/19865 (ice / gnat bug detected.)

	PR tree-optimization/19865
	* tree-optimize.c (init_tree_optimization_passes): Run
	pass_may_alias after pass_sra.

From-SVN: r95113

gcc/ChangeLog

+2005-02-16  Diego Novillo  <dnovillo@redhat.com>
+
+	PR tree-optimization/19865
+	* tree-optimize.c (init_tree_optimization_passes): Run
+	pass_may_alias after pass_sra.
+
 2005-02-16  Richard Henderson  <rth@redhat.com>
 	    Stuart Hastings  <stuart@apple.com>
 

gcc/tree-optimize.c

@@ -364,6 +364,10 @@ init_tree_optimization_passes (void)
   NEXT_PASS (pass_ch);
   NEXT_PASS (pass_profile);
   NEXT_PASS (pass_sra);
+  /* FIXME: SRA may generate arbitrary gimple code, exposing new
+     aliased and call-clobbered variables.  As mentioned below,
+     pass_may_alias should be a TODO item.  */
+  NEXT_PASS (pass_may_alias);
   NEXT_PASS (pass_rename_ssa_copies);
   NEXT_PASS (pass_dominator);
   NEXT_PASS (pass_redundant_phi);