[lld] r335848 - Fix warning on MSVC by using size_t arithmetic instead of casting after the fact. NFC

[Aaron Ballman via llvm-commits]

On Thu, Jun 28, 2018 at 8:38 AM, Filipe Cabecinhas via llvm-commits
<llvm-commits at lists.llvm.org> wrote:
> Author: filcab
> Date: Thu Jun 28 05:38:43 2018
> New Revision: 335848
>
> URL: http://llvm.org/viewvc/llvm-project?rev=335848&view=rev
> Log:
> Fix warning on MSVC by using size_t arithmetic instead of casting after the fact. NFC
>
> Modified:
>     lld/trunk/COFF/SymbolTable.cpp
>
> Modified: lld/trunk/COFF/SymbolTable.cpp
> URL: http://llvm.org/viewvc/llvm-project/lld/trunk/COFF/SymbolTable.cpp?rev=335848&r1=335847&r2=335848&view=diff
> ==============================================================================
> --- lld/trunk/COFF/SymbolTable.cpp (original)
> +++ lld/trunk/COFF/SymbolTable.cpp Thu Jun 28 05:38:43 2018
> @@ -189,7 +189,7 @@ void SymbolTable::reportRemainingUndefin
>    }
>
>    for (ObjFile *File : ObjFile::Instances) {
> -    size_t SymIndex = -1ull;
> +    size_t SymIndex = size_t{0} - 1;

We usually write this as ~0U.

~Aaron

>      for (Symbol *Sym : File->getSymbols()) {
>        ++SymIndex;
>        if (!Sym)
>
>
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