diff --git a/tests/baselines/reference/importHelpers.js b/tests/baselines/reference/importHelpers.js
old mode 100644
new mode 100755
index fdf9b12ed52..8178311769a
--- a/tests/baselines/reference/importHelpers.js
+++ b/tests/baselines/reference/importHelpers.js
@@ -11,6 +11,12 @@ class C {
     method(@dec x: number) {
     }
 }
+
+function id<T>(x: T) {
+    return x;
+}
+
+export const result = id`hello world`;
 
 //// [script.ts]
 class A { }
@@ -23,6 +29,12 @@ class C {
     method(@dec x: number) {
     }
 }
+
+function id<T>(x: T) {
+    return x;
+}
+
+const result = id`hello world`;
 
 //// [tslib.d.ts]
 export declare function __extends(d: Function, b: Function): void;
@@ -31,6 +43,7 @@ export declare function __decorate(decorators: Function[], target: any, key?: st
 export declare function __param(paramIndex: number, decorator: Function): Function;
 export declare function __metadata(metadataKey: any, metadataValue: any): Function;
 export declare function __awaiter(thisArg: any, _arguments: any, P: Function, generator: Function): any;
+export declare function __makeTemplateObject(cooked: string[], raw: string[]): TemplateStringsArray;
 
 
 //// [external.js]
@@ -67,6 +80,11 @@ var C = /** @class */ (function () {
     ], C);
     return C;
 }());
+function id(x) {
+    return x;
+}
+exports.result = id(_a || (_a = tslib_1.__makeTemplateObject(["hello world"], ["hello world"])));
+var _a;
 //// [script.js]
 var __extends = (this && this.__extends) || (function () {
     var extendStatics = Object.setPrototypeOf ||
@@ -78,6 +96,13 @@ var __extends = (this && this.__extends) || (function () {
         d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
     };
 })();
+var __makeTemplateObject = (this && this.__makeTemplateObject) || function (cooked, raw) {
+    if (Object.defineProperty) {
+        return Object.defineProperty(cooked, "raw", { value: raw });
+    }
+    cooked.raw = raw;
+    return cooked;
+};
 var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
     var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
     if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
@@ -118,3 +143,8 @@ var C = /** @class */ (function () {
     ], C);
     return C;
 }());
+function id(x) {
+    return x;
+}
+var result = id(_a || (_a = __makeTemplateObject(["hello world"], ["hello world"])));
+var _a;
diff --git a/tests/baselines/reference/importHelpers.symbols b/tests/baselines/reference/importHelpers.symbols
old mode 100644
new mode 100755
index 55ca5153e32..7b2184f93c6
--- a/tests/baselines/reference/importHelpers.symbols
+++ b/tests/baselines/reference/importHelpers.symbols
@@ -22,6 +22,20 @@ class C {
     }
 }
 
+function id<T>(x: T) {
+>id : Symbol(id, Decl(external.ts, 9, 1))
+>T : Symbol(T, Decl(external.ts, 11, 12))
+>x : Symbol(x, Decl(external.ts, 11, 15))
+>T : Symbol(T, Decl(external.ts, 11, 12))
+
+    return x;
+>x : Symbol(x, Decl(external.ts, 11, 15))
+}
+
+export const result = id`hello world`;
+>result : Symbol(result, Decl(external.ts, 15, 12))
+>id : Symbol(id, Decl(external.ts, 9, 1))
+
 === tests/cases/compiler/script.ts ===
 class A { }
 >A : Symbol(A, Decl(script.ts, 0, 0))
@@ -46,6 +60,20 @@ class C {
     }
 }
 
+function id<T>(x: T) {
+>id : Symbol(id, Decl(script.ts, 9, 1))
+>T : Symbol(T, Decl(script.ts, 11, 12))
+>x : Symbol(x, Decl(script.ts, 11, 15))
+>T : Symbol(T, Decl(script.ts, 11, 12))
+
+    return x;
+>x : Symbol(x, Decl(script.ts, 11, 15))
+}
+
+const result = id`hello world`;
+>result : Symbol(result, Decl(script.ts, 15, 5))
+>id : Symbol(id, Decl(script.ts, 9, 1))
+
 === tests/cases/compiler/tslib.d.ts ===
 export declare function __extends(d: Function, b: Function): void;
 >__extends : Symbol(__extends, Decl(tslib.d.ts, --, --))
@@ -89,3 +117,9 @@ export declare function __awaiter(thisArg: any, _arguments: any, P: Function, ge
 >generator : Symbol(generator, Decl(tslib.d.ts, --, --))
 >Function : Symbol(Function, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
 
+export declare function __makeTemplateObject(cooked: string[], raw: string[]): TemplateStringsArray;
+>__makeTemplateObject : Symbol(__makeTemplateObject, Decl(tslib.d.ts, --, --))
+>cooked : Symbol(cooked, Decl(tslib.d.ts, --, --))
+>raw : Symbol(raw, Decl(tslib.d.ts, --, --))
+>TemplateStringsArray : Symbol(TemplateStringsArray, Decl(lib.d.ts, --, --))
+
diff --git a/tests/baselines/reference/importHelpers.types b/tests/baselines/reference/importHelpers.types
old mode 100644
new mode 100755
index 0ab8d40ee85..06b851139cf
--- a/tests/baselines/reference/importHelpers.types
+++ b/tests/baselines/reference/importHelpers.types
@@ -22,6 +22,22 @@ class C {
     }
 }
 
+function id<T>(x: T) {
+>id : <T>(x: T) => T
+>T : T
+>x : T
+>T : T
+
+    return x;
+>x : T
+}
+
+export const result = id`hello world`;
+>result : TemplateStringsArray
+>id`hello world` : TemplateStringsArray
+>id : <T>(x: T) => T
+>`hello world` : "hello world"
+
 === tests/cases/compiler/script.ts ===
 class A { }
 >A : A
@@ -46,6 +62,22 @@ class C {
     }
 }
 
+function id<T>(x: T) {
+>id : <T>(x: T) => T
+>T : T
+>x : T
+>T : T
+
+    return x;
+>x : T
+}
+
+const result = id`hello world`;
+>result : TemplateStringsArray
+>id`hello world` : TemplateStringsArray
+>id : <T>(x: T) => T
+>`hello world` : "hello world"
+
 === tests/cases/compiler/tslib.d.ts ===
 export declare function __extends(d: Function, b: Function): void;
 >__extends : (d: Function, b: Function) => void
@@ -89,3 +121,9 @@ export declare function __awaiter(thisArg: any, _arguments: any, P: Function, ge
 >generator : Function
 >Function : Function
 
+export declare function __makeTemplateObject(cooked: string[], raw: string[]): TemplateStringsArray;
+>__makeTemplateObject : (cooked: string[], raw: string[]) => TemplateStringsArray
+>cooked : string[]
+>raw : string[]
+>TemplateStringsArray : TemplateStringsArray
+
diff --git a/tests/baselines/reference/taggedTemplateWithoutDeclaredHelper.errors.txt b/tests/baselines/reference/taggedTemplateWithoutDeclaredHelper.errors.txt
new file mode 100755
index 00000000000..c0931c50bb5
--- /dev/null
+++ b/tests/baselines/reference/taggedTemplateWithoutDeclaredHelper.errors.txt
@@ -0,0 +1,15 @@
+tests/cases/compiler/foo.ts(5,23): error TS2343: This syntax requires an imported helper named '__makeTemplateObject', but module 'tslib' has no exported member '__makeTemplateObject'.
+
+
+==== tests/cases/compiler/foo.ts (1 errors) ====
+    function id<T>(x: T) {
+      return x;
+    }
+    
+    export const result = id `hello world`;
+                          ~~~~~~~~~~~~~~~~
+!!! error TS2343: This syntax requires an imported helper named '__makeTemplateObject', but module 'tslib' has no exported member '__makeTemplateObject'.
+    
+==== tests/cases/compiler/node_modules/tslib/index.d.ts (0 errors) ====
+    export { };
+    
\ No newline at end of file
diff --git a/tests/baselines/reference/taggedTemplateWithoutDeclaredHelper.js b/tests/baselines/reference/taggedTemplateWithoutDeclaredHelper.js
new file mode 100755
index 00000000000..453b35d98ba
--- /dev/null
+++ b/tests/baselines/reference/taggedTemplateWithoutDeclaredHelper.js
@@ -0,0 +1,22 @@
+//// [tests/cases/compiler/taggedTemplateWithoutDeclaredHelper.ts] ////
+
+//// [foo.ts]
+function id<T>(x: T) {
+  return x;
+}
+
+export const result = id `hello world`;
+
+//// [index.d.ts]
+export { };
+
+
+//// [foo.js]
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var tslib_1 = require("tslib");
+function id(x) {
+    return x;
+}
+exports.result = id(_a || (_a = tslib_1.__makeTemplateObject(["hello world"], ["hello world"])));
+var _a;
diff --git a/tests/baselines/reference/taggedTemplateWithoutDeclaredHelper.symbols b/tests/baselines/reference/taggedTemplateWithoutDeclaredHelper.symbols
new file mode 100755
index 00000000000..dcba750c890
--- /dev/null
+++ b/tests/baselines/reference/taggedTemplateWithoutDeclaredHelper.symbols
@@ -0,0 +1,19 @@
+=== tests/cases/compiler/foo.ts ===
+function id<T>(x: T) {
+>id : Symbol(id, Decl(foo.ts, 0, 0))
+>T : Symbol(T, Decl(foo.ts, 0, 12))
+>x : Symbol(x, Decl(foo.ts, 0, 15))
+>T : Symbol(T, Decl(foo.ts, 0, 12))
+
+  return x;
+>x : Symbol(x, Decl(foo.ts, 0, 15))
+}
+
+export const result = id `hello world`;
+>result : Symbol(result, Decl(foo.ts, 4, 12))
+>id : Symbol(id, Decl(foo.ts, 0, 0))
+
+=== tests/cases/compiler/node_modules/tslib/index.d.ts ===
+export { };
+No type information for this code.
+No type information for this code.
\ No newline at end of file
diff --git a/tests/baselines/reference/taggedTemplateWithoutDeclaredHelper.types b/tests/baselines/reference/taggedTemplateWithoutDeclaredHelper.types
new file mode 100755
index 00000000000..7e8486e3ecc
--- /dev/null
+++ b/tests/baselines/reference/taggedTemplateWithoutDeclaredHelper.types
@@ -0,0 +1,21 @@
+=== tests/cases/compiler/foo.ts ===
+function id<T>(x: T) {
+>id : <T>(x: T) => T
+>T : T
+>x : T
+>T : T
+
+  return x;
+>x : T
+}
+
+export const result = id `hello world`;
+>result : TemplateStringsArray
+>id `hello world` : TemplateStringsArray
+>id : <T>(x: T) => T
+>`hello world` : "hello world"
+
+=== tests/cases/compiler/node_modules/tslib/index.d.ts ===
+export { };
+No type information for this code.
+No type information for this code.
\ No newline at end of file