------- Additional Comments From pinskia at gcc dot gnu dot org  2004-11-04 20:25 
-------
Adding a may_alias pass after fold all builtins makes this testcase works (I don't 
know if this is correct 
fix or not):
Index: tree-optimize.c
===============================================================
====
RCS file: /cvs/gcc/gcc/gcc/tree-optimize.c,v
retrieving revision 2.61
diff -u -p -r2.61 tree-optimize.c
--- tree-optimize.c     2 Nov 2004 00:23:04 -0000       2.61
+++ tree-optimize.c     4 Nov 2004 20:23:32 -0000
@@ -371,6 +371,7 @@ init_tree_optimization_passes (void)
   NEXT_PASS (pass_ccp);
   NEXT_PASS (pass_redundant_phi);
   NEXT_PASS (pass_fold_builtins);
+  NEXT_PASS (pass_may_alias);
   NEXT_PASS (pass_split_crit_edges);
   NEXT_PASS (pass_pre);
   NEXT_PASS (pass_loop);


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18298

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