[Bug tree-optimization/21173] [4.0/4.1 regression] miscompiled pointer subtraction broke Linux kernel

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-04-23 
13:18 -------
Hmm, is -&a legal gimple, if it is then it is a PRE bug, otherwise it is a bug 
in the gimplifier.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21173