PR16755: When initializing or modifying a bitfield member in a constant
expression, truncate the stored value to the size of the bitfield.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@187782 91177308-0d34-0410-b5e6-96231b3b80d8
A bit of clean up based on peer's feedback...

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@187784 91177308-0d34-0410-b5e6-96231b3b80d8
Update status of support for variable templates on website.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@187785 91177308-0d34-0410-b5e6-96231b3b80d8