[Bug c/30785] Test to null pointer optimised away at -O2

[rguenth at gcc dot gnu dot org]

------- Comment #1 from rguenth at gcc dot gnu dot org  2007-02-13 13:00 -------
I suppose this is done by the VRP pass (-f[no-]tree-vrp) so target independent.
 If so, this is fixed on current 4.1 branch.  Can you verify this indeed is
broken by VRP by looking at and before the vrp tree dumps? (-fdump-tree-all)


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30785