Preliminary support for function overloading

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57909 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/DeclCXX.cpp b/lib/AST/DeclCXX.cpp
index af89da4..9fd7ff9 100644
--- a/lib/AST/DeclCXX.cpp
+++ b/lib/AST/DeclCXX.cpp
@@ -59,3 +59,10 @@
   void *Mem = C.getAllocator().Allocate<CXXClassVarDecl>();
   return new (Mem) CXXClassVarDecl(RD, L, Id, T, PrevDecl);
 }
+
+OverloadedFunctionDecl *
+OverloadedFunctionDecl::Create(ASTContext &C, DeclContext *DC,
+                               IdentifierInfo *Id) {
+  void *Mem = C.getAllocator().Allocate<OverloadedFunctionDecl>();
+  return new (Mem) OverloadedFunctionDecl(DC, Id);
+}