Fix issue with throw in async delegator.

src/compiler/transformers/esnext.ts

@@ -929,8 +929,8 @@ namespace ts {
         text: `
             var __asyncDelegator = (this && this.__asyncDelegator) || function (o) {
                 var i, p;
-                return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
-                function verb(n) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : v; }; }
+                return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
+                function verb(n, f) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; }; }
             };
         `
     };

tests/baselines/reference/emitter.asyncGenerators.classMethods.es2015.js

@@ -128,8 +128,8 @@ var __asyncValues = (this && this.__asyncIterator) || function (o) {
 var __await = (this && this.__await) || function (v) { return this instanceof __await ? (this.v = v, this) : new __await(v); }
 var __asyncDelegator = (this && this.__asyncDelegator) || function (o) {
     var i, p;
-    return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
-    function verb(n) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : v; }; }
+    return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
+    function verb(n, f) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; }; }
 };
 var __asyncGenerator = (this && this.__asyncGenerator) || function (thisArg, _arguments, generator) {
     if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
@@ -169,8 +169,8 @@ var __asyncValues = (this && this.__asyncIterator) || function (o) {
 };
 var __asyncDelegator = (this && this.__asyncDelegator) || function (o) {
     var i, p;
-    return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
-    function verb(n) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : v; }; }
+    return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
+    function verb(n, f) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; }; }
 };
 class C5 {
     f() {

tests/baselines/reference/emitter.asyncGenerators.classMethods.es5.js

@@ -264,8 +264,8 @@ var __asyncValues = (this && this.__asyncIterator) || function (o) {
 var __await = (this && this.__await) || function (v) { return this instanceof __await ? (this.v = v, this) : new __await(v); }
 var __asyncDelegator = (this && this.__asyncDelegator) || function (o) {
     var i, p;
-    return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
-    function verb(n) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : v; }; }
+    return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
+    function verb(n, f) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; }; }
 };
 var __asyncGenerator = (this && this.__asyncGenerator) || function (thisArg, _arguments, generator) {
     if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
@@ -354,8 +354,8 @@ var __asyncValues = (this && this.__asyncIterator) || function (o) {
 };
 var __asyncDelegator = (this && this.__asyncDelegator) || function (o) {
     var i, p;
-    return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
-    function verb(n) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : v; }; }
+    return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
+    function verb(n, f) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; }; }
 };
 var __values = (this && this.__values) || function (o) {
     var m = typeof Symbol === "function" && o[Symbol.iterator], i = 0;

tests/baselines/reference/emitter.asyncGenerators.functionDeclarations.es2015.js

@@ -91,8 +91,8 @@ var __asyncValues = (this && this.__asyncIterator) || function (o) {
 var __await = (this && this.__await) || function (v) { return this instanceof __await ? (this.v = v, this) : new __await(v); }
 var __asyncDelegator = (this && this.__asyncDelegator) || function (o) {
     var i, p;
-    return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
-    function verb(n) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : v; }; }
+    return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
+    function verb(n, f) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; }; }
 };
 var __asyncGenerator = (this && this.__asyncGenerator) || function (thisArg, _arguments, generator) {
     if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
@@ -130,8 +130,8 @@ var __asyncValues = (this && this.__asyncIterator) || function (o) {
 };
 var __asyncDelegator = (this && this.__asyncDelegator) || function (o) {
     var i, p;
-    return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
-    function verb(n) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : v; }; }
+    return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
+    function verb(n, f) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; }; }
 };
 function f5() {
     return __asyncGenerator(this, arguments, function* f5_1() {

tests/baselines/reference/emitter.asyncGenerators.functionDeclarations.es5.js

@@ -218,8 +218,8 @@ var __asyncValues = (this && this.__asyncIterator) || function (o) {
 var __await = (this && this.__await) || function (v) { return this instanceof __await ? (this.v = v, this) : new __await(v); }
 var __asyncDelegator = (this && this.__asyncDelegator) || function (o) {
     var i, p;
-    return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
-    function verb(n) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : v; }; }
+    return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
+    function verb(n, f) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; }; }
 };
 var __asyncGenerator = (this && this.__asyncGenerator) || function (thisArg, _arguments, generator) {
     if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
@@ -303,8 +303,8 @@ var __asyncValues = (this && this.__asyncIterator) || function (o) {
 };
 var __asyncDelegator = (this && this.__asyncDelegator) || function (o) {
     var i, p;
-    return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
-    function verb(n) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : v; }; }
+    return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
+    function verb(n, f) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; }; }
 };
 var __values = (this && this.__values) || function (o) {
     var m = typeof Symbol === "function" && o[Symbol.iterator], i = 0;

tests/baselines/reference/emitter.asyncGenerators.functionExpressions.es2015.js

@@ -91,8 +91,8 @@ var __asyncValues = (this && this.__asyncIterator) || function (o) {
 var __await = (this && this.__await) || function (v) { return this instanceof __await ? (this.v = v, this) : new __await(v); }
 var __asyncDelegator = (this && this.__asyncDelegator) || function (o) {
     var i, p;
-    return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
-    function verb(n) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : v; }; }
+    return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
+    function verb(n, f) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; }; }
 };
 var __asyncGenerator = (this && this.__asyncGenerator) || function (thisArg, _arguments, generator) {
     if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
@@ -130,8 +130,8 @@ var __asyncValues = (this && this.__asyncIterator) || function (o) {
 };
 var __asyncDelegator = (this && this.__asyncDelegator) || function (o) {
     var i, p;
-    return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
-    function verb(n) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : v; }; }
+    return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
+    function verb(n, f) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; }; }
 };
 const f5 = function () {
     return __asyncGenerator(this, arguments, function* () {

tests/baselines/reference/emitter.asyncGenerators.functionExpressions.es5.js

@@ -218,8 +218,8 @@ var __asyncValues = (this && this.__asyncIterator) || function (o) {
 var __await = (this && this.__await) || function (v) { return this instanceof __await ? (this.v = v, this) : new __await(v); }
 var __asyncDelegator = (this && this.__asyncDelegator) || function (o) {
     var i, p;
-    return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
-    function verb(n) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : v; }; }
+    return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
+    function verb(n, f) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; }; }
 };
 var __asyncGenerator = (this && this.__asyncGenerator) || function (thisArg, _arguments, generator) {
     if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
@@ -303,8 +303,8 @@ var __asyncValues = (this && this.__asyncIterator) || function (o) {
 };
 var __asyncDelegator = (this && this.__asyncDelegator) || function (o) {
     var i, p;
-    return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
-    function verb(n) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : v; }; }
+    return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
+    function verb(n, f) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; }; }
 };
 var __values = (this && this.__values) || function (o) {
     var m = typeof Symbol === "function" && o[Symbol.iterator], i = 0;

tests/baselines/reference/emitter.asyncGenerators.objectLiteralMethods.es2015.js

@@ -111,8 +111,8 @@ var __asyncValues = (this && this.__asyncIterator) || function (o) {
 var __await = (this && this.__await) || function (v) { return this instanceof __await ? (this.v = v, this) : new __await(v); }
 var __asyncDelegator = (this && this.__asyncDelegator) || function (o) {
     var i, p;
-    return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
-    function verb(n) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : v; }; }
+    return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
+    function verb(n, f) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; }; }
 };
 var __asyncGenerator = (this && this.__asyncGenerator) || function (thisArg, _arguments, generator) {
     if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
@@ -152,8 +152,8 @@ var __asyncValues = (this && this.__asyncIterator) || function (o) {
 };
 var __asyncDelegator = (this && this.__asyncDelegator) || function (o) {
     var i, p;
-    return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
-    function verb(n) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : v; }; }
+    return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
+    function verb(n, f) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; }; }
 };
 const o5 = {
     f() {

tests/baselines/reference/emitter.asyncGenerators.objectLiteralMethods.es5.js

@@ -238,8 +238,8 @@ var __asyncValues = (this && this.__asyncIterator) || function (o) {
 var __await = (this && this.__await) || function (v) { return this instanceof __await ? (this.v = v, this) : new __await(v); }
 var __asyncDelegator = (this && this.__asyncDelegator) || function (o) {
     var i, p;
-    return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
-    function verb(n) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : v; }; }
+    return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
+    function verb(n, f) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; }; }
 };
 var __asyncGenerator = (this && this.__asyncGenerator) || function (thisArg, _arguments, generator) {
     if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
@@ -325,8 +325,8 @@ var __asyncValues = (this && this.__asyncIterator) || function (o) {
 };
 var __asyncDelegator = (this && this.__asyncDelegator) || function (o) {
     var i, p;
-    return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
-    function verb(n) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : v; }; }
+    return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
+    function verb(n, f) { if (o[n]) i[n] = function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; }; }
 };
 var __values = (this && this.__values) || function (o) {
     var m = typeof Symbol === "function" && o[Symbol.iterator], i = 0;