[Bug rtl-optimization/40209] ICE in iv_analyze_def caused by stale REG_UNUSED note

[ubizjak at gmail dot com]

------- Comment #3 from ubizjak at gmail dot com  2009-07-24 06:25 -------
Please also add the testcase from Comment #1 to gcc testsuite.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40209