Chris Lattner 3973d376ab when emitting the epilog 'return 0' for top level code, mark it as autogenerated, ...

fixing <rdar://problem/19664185> Pointless "always evaluates to true" warning in while true loops at the top level

Also, merge test/SILPasses/diagnose_unreachable_two_while_loops.swift into SILPasses/unreachable_code.swift.


Swift SVN r27696

2015-04-24 18:22:57 +00:00

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