DebugInfo: Split out the implementation of getStaticDataMemberDeclaration for future use

llvm-svn: 188498
diff --git a/clang/lib/CodeGen/CGDebugInfo.h b/clang/lib/CodeGen/CGDebugInfo.h
index f17d47a..6c4c34c 100644
--- a/clang/lib/CodeGen/CGDebugInfo.h
+++ b/clang/lib/CodeGen/CGDebugInfo.h
@@ -357,6 +357,7 @@
   /// getStaticDataMemberDeclaration - Return debug info descriptor to
   /// describe in-class static data member declaration for the given
   /// out-of-class definition.
+  llvm::DIDerivedType getStaticDataMemberDeclarationOrNull(const VarDecl *D);
   llvm::DIDerivedType getStaticDataMemberDeclaration(const VarDecl *D);
 
   /// getFunctionName - Get function name for the given FunctionDecl. If the