[llvm] r226570 - IR: Store StorageType as an unsigned bitfield

[Duncan P. N. Exon Smith]

> On 2015 Jan 20, at 08:00, Benjamin Kramer <benny.kra at gmail.com> wrote:
> 
> 
>> On 20.01.2015, at 16:51, Duncan P. N. Exon Smith <dexonsmith at apple.com> wrote:
>> 
>> Author: dexonsmith
>> Date: Tue Jan 20 09:51:14 2015
>> New Revision: 226570
>> 
>> URL: http://llvm.org/viewvc/llvm-project?rev=226570&view=rev
>> Log:
>> IR: Store StorageType as an unsigned bitfield
>> 
>> Use `unsigned` instead of `StorageType` for the bitfield to prevent MSVC
>> from treating the top bit of the bitfield as a sign bit.
> 
> Can you just give the enum a type? Losing type information this way is really ugly and not needed in the C++11 days.

That's better.  r226571.