[Bug tree-optimization/18694] [4.0 regression] loop miscompilation at -O1 (-ftree-ch)

["rakdver at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>]

------- Additional Comments From rakdver at gcc dot gnu dot org  2004-11-28 11:40 -------
A bit simpler testcase; no longer segfaults, but produces wrong output.  The 
reason seems to be the same (both are due to fields of t after the second
one not being initialized).

.vars dump is misscompiled (body of the innermost loop is executed only in the 
first iteration of the outer loop), so the problem is on tree level.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18694

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