[Bug tree-optimization/15352] [tree-ssa] missed jump threading opportunity due to lack of short circuit

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15352

Bug 15352 depends on bug 15357, which changed state.

Bug 15357 Summary: [tree-ssa] combing if statements
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15357

           What    |Removed                     |Added
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             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED