It's an error to use a function declared in a class definition as a default argument before the function has been declared.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73234 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseDecl.cpp b/lib/Parse/ParseDecl.cpp
index 40fbc0c..9073c6d 100644
--- a/lib/Parse/ParseDecl.cpp
+++ b/lib/Parse/ParseDecl.cpp
@@ -2470,7 +2470,8 @@
             DefArgToks = 0;
             Actions.ActOnParamDefaultArgumentError(Param);
           } else
-            Actions.ActOnParamUnparsedDefaultArgument(Param, EqualLoc);
+            Actions.ActOnParamUnparsedDefaultArgument(Param, EqualLoc, 
+                                                (*DefArgToks)[1].getLocation());
         } else {
           // Consume the '='.
           ConsumeToken();