[Bug tree-optimization/31090] Revision 121302 causes 30% performance regression

[hjl at lucon dot org]

------- Comment #4 from hjl at lucon dot org  2007-03-09 17:40 -------
Created an attachment (id=13180)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13180&action=view)
A breakdown testcase

xxx.f90 is the problem. -fdump-tree-all shows that revision 121302
generates very different alias info.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31090