r268113 - [Sema] Specify the underlying type for an enum. NFC.

[Aaron Ballman via cfe-commits]

On Fri, Apr 29, 2016 at 5:32 PM, George Burgess IV via cfe-commits
<cfe-commits at lists.llvm.org> wrote:
> Author: gbiv
> Date: Fri Apr 29 16:32:53 2016
> New Revision: 268113
>
> URL: http://llvm.org/viewvc/llvm-project?rev=268113&view=rev
> Log:
> [Sema] Specify the underlying type for an enum. NFC.

What is the benefit to this change?

~Aaron

>
> Modified:
>     cfe/trunk/lib/Sema/SemaOverload.cpp
>
> Modified: cfe/trunk/lib/Sema/SemaOverload.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaOverload.cpp?rev=268113&r1=268112&r2=268113&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Sema/SemaOverload.cpp (original)
> +++ cfe/trunk/lib/Sema/SemaOverload.cpp Fri Apr 29 16:32:53 2016
> @@ -7257,7 +7257,7 @@ class BuiltinOperatorOverloadBuilder {
>      // (we could precompute SLL x UI for all known platforms, but it's
>      // better not to make any assumptions).
>      // We assume that int128 has a higher rank than long long on all platforms.
> -    enum PromotedType {
> +    enum PromotedType : int8_t {
>              Dep=-1,
>              Flt,  Dbl, LDbl,   SI,   SL,  SLL, S128,   UI,   UL,  ULL, U128
>      };
>
>
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