Refactor one helper function to merely forward to another so that there
is a single implementation. No functionality change intended.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128877 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaChecking.cpp b/lib/Sema/SemaChecking.cpp
index 15644c9..bdadf5a 100644
--- a/lib/Sema/SemaChecking.cpp
+++ b/lib/Sema/SemaChecking.cpp
@@ -2744,19 +2744,18 @@
 }
 
 /// Diagnose an implicit cast;  purely a helper for CheckImplicitConversion.
-void DiagnoseImpCast(Sema &S, Expr *E, QualType T, SourceLocation CContext,
-                     unsigned diag) {
-  S.Diag(E->getExprLoc(), diag)
-    << E->getType() << T << E->getSourceRange() << SourceRange(CContext);
-}
-
-/// Diagnose an implicit cast;  purely a helper for CheckImplicitConversion.
 void DiagnoseImpCast(Sema &S, Expr *E, QualType SourceType, QualType T, 
                      SourceLocation CContext, unsigned diag) {
   S.Diag(E->getExprLoc(), diag)
     << SourceType << T << E->getSourceRange() << SourceRange(CContext);
 }
 
+/// Diagnose an implicit cast;  purely a helper for CheckImplicitConversion.
+void DiagnoseImpCast(Sema &S, Expr *E, QualType T, SourceLocation CContext,
+                     unsigned diag) {
+  DiagnoseImpCast(S, E, E->getType(), T, CContext, diag);
+}
+
 std::string PrettyPrintInRange(const llvm::APSInt &Value, IntRange Range) {
   if (!Range.Width) return "0";