[Bug tree-optimization/38926] [4.4 Regression] ice in find_or_generate_expression, at tree-ssa-pre.c:2769

[rguenth at gcc dot gnu dot org]

------- Comment #7 from rguenth at gcc dot gnu dot org  2009-01-27 15:08 -------
So we are about to insert a duplicate PHI node but for a different value
number.

I can trivially avoid the ICE, but I wonder if that (missed optimization?) is
bad or not ...

Patch in testing.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38926