repond to feedback

src/compiler/checker.ts

@@ -110,7 +110,6 @@ namespace ts {
             getParameterType: getTypeAtPosition,
             getReturnTypeOfSignature,
             getNonNullableType,
-            getBaseTypeVariableOfClass,
             typeToTypeNode: nodeBuilder.typeToTypeNode,
             indexInfoToIndexSignatureDeclaration: nodeBuilder.indexInfoToIndexSignatureDeclaration,
             signatureToSignatureDeclaration: nodeBuilder.signatureToSignatureDeclaration,

src/compiler/types.ts

@@ -2530,7 +2530,6 @@ namespace ts {
          */
         /* @internal */ getParameterType(signature: Signature, parameterIndex: number): Type;
         getNonNullableType(type: Type): Type;
-        /* @internal */ getBaseTypeVariableOfClass(symbol: Symbol): Type | undefined;
 
         /** Note that the resulting nodes cannot be checked. */
         typeToTypeNode(type: Type, enclosingDeclaration?: Node, flags?: NodeBuilderFlags): TypeNode;

src/services/codefixes/fixAddMissingMember.ts

@@ -49,7 +49,8 @@ namespace ts.codefix {
                 const symbol = leftExpressionType.symbol;
                 if (symbol.flags & SymbolFlags.Class) {
                     classDeclaration = symbol.declarations && <ClassLikeDeclaration>symbol.declarations[0];
-                    if (getObjectFlags(leftExpressionType) & ObjectFlags.Anonymous && symbol.flags & SymbolFlags.Class && !checker.getBaseTypeVariableOfClass(symbol)) {
+                    if (leftExpressionType !== checker.getDeclaredTypeOfSymbol(symbol)) {
+                        // The expression is a class symbol but the type is not the instance-side.
                         makeStatic = true;
                     }
                 }