[Bug optimization/13000] [3.4/3.5 Regression] [unit-at-a-time] Using -O2 cannot detect missing return statement in a function

[pinskia at gcc dot gnu dot org]

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           What    |Removed                     |Added
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   Target Milestone|tree-ssa                    |3.5.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13000