Get resolved module exports in symbol chain and not raw exports

src/compiler/checker.ts

@@ -2216,7 +2216,8 @@ namespace ts {
 
                         // Look in the exported members, if we can find accessibleSymbolChain, symbol is accessible using this chain
                         // but only if the symbolFromSymbolTable can be qualified
-                        const accessibleSymbolsFromExports = resolvedImportedSymbol.exports ? getAccessibleSymbolChainFromSymbolTable(resolvedImportedSymbol.exports) : undefined;
+                        const candidateTable = getExportsOfSymbol(resolvedImportedSymbol);
+                        const accessibleSymbolsFromExports = candidateTable && getAccessibleSymbolChainFromSymbolTable(candidateTable);
                         if (accessibleSymbolsFromExports && canQualifySymbol(symbolFromSymbolTable, getQualifiedLeftMeaning(meaning))) {
                             return [symbolFromSymbolTable].concat(accessibleSymbolsFromExports);
                         }

tests/baselines/reference/declarationEmitAliasExportStar.js

@@ -0,0 +1,31 @@
+//// [tests/cases/compiler/declarationEmitAliasExportStar.ts] ////
+
+//// [thingB.ts]
+export interface ThingB { }
+//// [things.ts]
+export * from "./thingB";
+//// [index.ts]
+import * as things from "./things";
+export const thing2 = (param: things.ThingB) => null;
+
+
+//// [thingB.js]
+"use strict";
+exports.__esModule = true;
+//// [things.js]
+"use strict";
+exports.__esModule = true;
+//// [index.js]
+"use strict";
+exports.__esModule = true;
+exports.thing2 = function (param) { return null; };
+
+
+//// [thingB.d.ts]
+export interface ThingB {
+}
+//// [things.d.ts]
+export * from "./thingB";
+//// [index.d.ts]
+import * as things from "./things";
+export declare const thing2: (param: things.ThingB) => any;

tests/baselines/reference/declarationEmitAliasExportStar.symbols

@@ -0,0 +1,16 @@
+=== tests/cases/compiler/thingB.ts ===
+export interface ThingB { }
+>ThingB : Symbol(ThingB, Decl(thingB.ts, 0, 0))
+
+=== tests/cases/compiler/things.ts ===
+export * from "./thingB";
+No type information for this code.=== tests/cases/compiler/index.ts ===
+import * as things from "./things";
+>things : Symbol(things, Decl(index.ts, 0, 6))
+
+export const thing2 = (param: things.ThingB) => null;
+>thing2 : Symbol(thing2, Decl(index.ts, 1, 12))
+>param : Symbol(param, Decl(index.ts, 1, 23))
+>things : Symbol(things, Decl(index.ts, 0, 6))
+>ThingB : Symbol(things.ThingB, Decl(thingB.ts, 0, 0))
+

tests/baselines/reference/declarationEmitAliasExportStar.types

@@ -0,0 +1,18 @@
+=== tests/cases/compiler/thingB.ts ===
+export interface ThingB { }
+>ThingB : ThingB
+
+=== tests/cases/compiler/things.ts ===
+export * from "./thingB";
+No type information for this code.=== tests/cases/compiler/index.ts ===
+import * as things from "./things";
+>things : typeof things
+
+export const thing2 = (param: things.ThingB) => null;
+>thing2 : (param: things.ThingB) => any
+>(param: things.ThingB) => null : (param: things.ThingB) => any
+>param : things.ThingB
+>things : any
+>ThingB : things.ThingB
+>null : null
+

tests/cases/compiler/declarationEmitAliasExportStar.ts

@@ -0,0 +1,8 @@
+// @declaration: true
+// @filename: thingB.ts
+export interface ThingB { }
+// @filename: things.ts
+export * from "./thingB";
+// @filename: index.ts
+import * as things from "./things";
+export const thing2 = (param: things.ThingB) => null;