[Bug tree-optimization/26626] [4.2 Regression] ICE in in add_virtual_operand

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

------- Comment #20 from rguenth at gcc dot gnu dot org  2006-04-27 17:08 -------
Happens with  -O -quiet t.c -dumpbase t.c -fdump-tree-alias1-vops
-fstrict-aliasing -fno-tree-fre -fno-tree-ccp -fdump-tree-all -fno-tree-dce
-fno-tree-copyrename -fno-tree-salias and manually disabled forwprop.

So that leaves may_alias and copyprop itself to blame.  -fno-strict-aliasing
"fixes" it, too.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26626

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