[PATCH] C11 _Bool bitfield diagnostic

[Hubert Tong]

The change in the C11 Standard is that the number of bits in the value representation is now used as opposed to the number of bits in the object representation. The message is generic to allow for additional types with padding bits; however, the change does not use a generic mechanism to handle such types.

In addition, feedback is requested as to whether the message for the case of `_Bool` should be limited to C11 modes or not.


http://reviews.llvm.org/D10018

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