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[Bug c++/53239] [4.7 Regression] -ftree-vrp breaks min()
- From: "pinskia at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 04 May 2012 21:54:03 +0000
- Subject: [Bug c++/53239] [4.7 Regression] -ftree-vrp breaks min()
- Auto-submitted: auto-generated
- References: <bug-53239-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53239
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-05-04 21:54:03 UTC ---
s_6 = this_5(D)->children_list_;
x.4_39 = (long unsigned int) s_6;
D.36426_37 = x.4_39 & 6;
I think the code is depending on undefined code dealing with alignment
requirements on pointers.