[llvm] r237157 - YAML: Fix typos. NFC.

[Benjamin Kramer]

> On 12.05.2015, at 19:31, Alex Lorenz <arphaman at gmail.com> wrote:
> 
> Author: arphaman
> Date: Tue May 12 12:31:17 2015
> New Revision: 237157
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=237157&view=rev
> Log:
> YAML: Fix typos. NFC.

'iff' is shorthand for 'if and only if', not a typo.

- Ben

> Modified:
>    llvm/trunk/lib/Support/YAMLTraits.cpp
> 
> Modified: llvm/trunk/lib/Support/YAMLTraits.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/YAMLTraits.cpp?rev=237157&r1=237156&r2=237157&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Support/YAMLTraits.cpp (original)
> +++ llvm/trunk/lib/Support/YAMLTraits.cpp Tue May 12 12:31:17 2015
> @@ -75,7 +75,7 @@ bool Input::setCurrentDocument() {
>   if (DocIterator != Strm->end()) {
>     Node *N = DocIterator->getRoot();
>     if (!N) {
> -      assert(Strm->failed() && "Root is NULL iff parsing failed");
> +      assert(Strm->failed() && "Root is NULL if parsing failed");
>       EC = make_error_code(errc::invalid_argument);
>       return false;
>     }
> @@ -102,7 +102,7 @@ bool Input::mapTag(StringRef Tag, bool D
>     // If no tag found and 'Tag' is the default, say it was found.
>     return Default;
>   }
> -  // Return true iff found tag matches supplied tag.
> +  // Return true if found tag matches supplied tag.
>   return Tag.equals(foundTag);
> }
> 
> 
> 
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