[llvm] r310623 - Fixup for r310621: Hint the compilers about unreachable code.

[Alex L via llvm-commits]

LLVM has `llvm_unreachable` for this purpose.

On 10 August 2017 at 17:46, Marek Sokolowski via llvm-commits <
llvm-commits at lists.llvm.org> wrote:

> Author: mnbvmar
> Date: Thu Aug 10 09:46:52 2017
> New Revision: 310623
>
> URL: http://llvm.org/viewvc/llvm-project?rev=310623&view=rev
> Log:
> Fixup for r310621: Hint the compilers about unreachable code.
>
> Modified:
>     llvm/trunk/tools/llvm-rc/ResourceScriptToken.cpp
>
> Modified: llvm/trunk/tools/llvm-rc/ResourceScriptToken.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-
> rc/ResourceScriptToken.cpp?rev=310623&r1=310622&r2=310623&view=diff
> ============================================================
> ==================
> --- llvm/trunk/tools/llvm-rc/ResourceScriptToken.cpp (original)
> +++ llvm/trunk/tools/llvm-rc/ResourceScriptToken.cpp Thu Aug 10 09:46:52
> 2017
> @@ -214,6 +214,10 @@ Error Tokenizer::consumeToken(const Kind
>    case Kind::Invalid:
>      assert(false && "Cannot consume an invalid token.");
>    }
> +
> +  // This silences the compilers which cannot notice that the execution
> +  // never reaches here.
> +  assert(false);
>  }
>
>  bool Tokenizer::willNowRead(StringRef FollowingChars) const {
>
>
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