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[Bug bootstrap/42511] bootstrap error in stage3 on alpha-linux-gnu

------- Comment #12 from ubizjak at gmail dot com  2010-01-05 20:47 -------
Got the problem. stage1 compiler miscompiles determine_max_movement() from

Following """"patch"""" fixes the testcase from comment #5:

Index: tree-ssa-loop-im.c
--- tree-ssa-loop-im.c  (revision 155643)
+++ tree-ssa-loop-im.c  (working copy)
@@ -677,6 +677,7 @@
     level = superloop_at_depth (loop, 1);
   lim_data->max_loop = level;

+  debug_gimple_stmt (stmt);
   FOR_EACH_SSA_TREE_OPERAND (val, stmt, iter, SSA_OP_USE)
     if (!add_dependency (val, lim_data, loop, true))
       return false;

I will restart bootstrap now.



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