Fix the 64-bit build.  operator<<(DiagnosticBuilder, long) doesn't exist, so
ptrdiff_t (long on 64-bit, apparently) is ambiguous between the int and
unsigned int overloads.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105816 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaOverload.cpp b/lib/Sema/SemaOverload.cpp
index eda7e7a..d3e8243 100644
--- a/lib/Sema/SemaOverload.cpp
+++ b/lib/Sema/SemaOverload.cpp
@@ -5739,7 +5739,7 @@
   }
 
   if (I != E)
-    Diag(OpLoc, diag::note_ovl_too_many_candidates) << E - I;
+    Diag(OpLoc, diag::note_ovl_too_many_candidates) << int(E - I);
 }
 
 static bool CheckUnresolvedAccess(Sema &S, OverloadExpr *E, DeclAccessPair D) {