r197855 - Fix getCustomDiagID() usage in example code

[Alp Toker]

Author: alp
Date: Fri Dec 20 23:19:58 2013
New Revision: 197855

URL: http://llvm.org/viewvc/llvm-project?rev=197855&view=rev
Log:
Fix getCustomDiagID() usage in example code

This was setting a bad example. DiagIDs are a limited resource and the message
argument is evaluated as a format string.

Modified:
    cfe/trunk/examples/PrintFunctionNames/PrintFunctionNames.cpp

Modified: cfe/trunk/examples/PrintFunctionNames/PrintFunctionNames.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/examples/PrintFunctionNames/PrintFunctionNames.cpp?rev=197855&r1=197854&r2=197855&view=diff
==============================================================================
--- cfe/trunk/examples/PrintFunctionNames/PrintFunctionNames.cpp (original)
+++ cfe/trunk/examples/PrintFunctionNames/PrintFunctionNames.cpp Fri Dec 20 23:19:58 2013
@@ -48,9 +48,9 @@ protected:
       // Example error handling.
       if (args[i] == "-an-error") {
         DiagnosticsEngine &D = CI.getDiagnostics();
-        unsigned DiagID = D.getCustomDiagID(
-          DiagnosticsEngine::Error, "invalid argument '" + args[i] + "'");
-        D.Report(DiagID);
+        unsigned DiagID = D.getCustomDiagID(DiagnosticsEngine::Error,
+                                            "invalid argument '%0'");
+        D.Report(DiagID) << args[i];
         return false;
       }
     }