r226359 - Clean up a string comparison with StringRef. Suggestion by David Majnemer.

[Richard Trieu]

Author: rtrieu
Date: Fri Jan 16 18:56:10 2015
New Revision: 226359

URL: http://llvm.org/viewvc/llvm-project?rev=226359&view=rev
Log:
Clean up a string comparison with StringRef.  Suggestion by David Majnemer.

Modified:
    cfe/trunk/lib/Basic/Diagnostic.cpp

Modified: cfe/trunk/lib/Basic/Diagnostic.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Diagnostic.cpp?rev=226359&r1=226358&r2=226359&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Diagnostic.cpp (original)
+++ cfe/trunk/lib/Basic/Diagnostic.cpp Fri Jan 16 18:56:10 2015
@@ -633,7 +633,8 @@ FormatDiagnostic(const char *DiagStr, co
   // When the diagnostic string is only "%0", the entire string is being given
   // by an outside source.  Remove unprintable characters from this string
   // and skip all the other string processing.
-  if (DiagEnd - DiagStr == 2 && DiagStr[0] == '%' && DiagStr[1] == '0' &&
+  if (DiagEnd - DiagStr == 2 &&
+      StringRef(DiagStr, DiagEnd - DiagStr).equals("%0") &&
       getArgKind(0) == DiagnosticsEngine::ak_std_string) {
     const std::string &S = getArgStdStr(0);
     for (char c : S) {