Richard Smith 9f9e5826f2 If we flow off the end of a value-returning function:
- outside C++, return undef (behavior is not undefined unless the value is used)
 - in C++, with -fcatch-undefined-behavior, perform an appropriate trap
 - in C++, produce an 'unreachable' (behavior is undefined immediately)

llvm-svn: 165273
2012-10-04 23:52:29 +00:00
2012-07-23 19:41:58 +00:00
2012-10-02 19:50:43 +00:00
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