[Bug tree-optimization/32540] [4.3 Regression] Exponential time behavior in PRE

[jakub at gcc dot gnu dot org]

------- Comment #11 from jakub at gcc dot gnu dot org  2007-11-01 21:16 -------
This isn't just a compile time hog, but sometimes (see PR33922) it creates many
times bigger and far slower code as well.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32540