Fix bit-field promotion to be a bit closer to the behavior of gcc.  
Patch by Enea Zaffanella, with some simplifications/corrections to
isPromotableBitField by me.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79510 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed