[Bug rtl-optimization/18599] Quadratic behavior in copyprop_hardreg_forward

[kazu at cs dot umass dot edu]

------- Additional Comments From kazu at cs dot umass dot edu  2004-11-21 23:22 -------
still segfaults with checking enabled.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18599