James Molloy c16a60b63e [C++] Add the "norecurse" attribute to main() if in C++ mode ...

The C++ spec (3.6.1.3) says "The function `main` shall not be used within a program". This implies that it cannot recurse, so add the norecurse attribute to help the midend out a bit.

llvm-svn: 252902

2015-11-12 15:36:04 +00:00

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