[Bug tree-optimization/21921] [4.1 Regression] internal compiler error: in tsi_link_before, at tree-iterator.c:113

[bonzini at gcc dot gnu dot org]

------- Additional Comments From bonzini at gcc dot gnu dot org  2005-06-06 
15:08 -------
The patch fixes the bug because in the poster's test case we have to insert a
reciprocal computation in an empty basic block.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21921