diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index 1a99c2642fd..c89c78e83eb 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -24537,7 +24537,9 @@ namespace ts {
                 if (awaitedTypesAreCompatible) {
                     const awaitedLeftType = getAwaitedType(leftType);
                     const awaitedRightType = getAwaitedType(rightType);
-                    wouldWorkWithAwait = !!(awaitedLeftType && awaitedRightType) && awaitedTypesAreCompatible(awaitedLeftType, awaitedRightType);
+                    wouldWorkWithAwait = !(awaitedLeftType === leftType && awaitedRightType === rightType)
+                        && !!(awaitedLeftType && awaitedRightType)
+                        && awaitedTypesAreCompatible(awaitedLeftType, awaitedRightType);
                 }
 
                 if (!tryGiveBetterPrimaryError(errNode, wouldWorkWithAwait, leftStr, rightStr)) {
@@ -24558,11 +24560,11 @@ namespace ts {
                 switch (operatorToken.kind) {
                     case SyntaxKind.EqualsEqualsEqualsToken:
                     case SyntaxKind.EqualsEqualsToken:
-                        typeName = "true";
+                        typeName = "false";
                         break;
                     case SyntaxKind.ExclamationEqualsEqualsToken:
                     case SyntaxKind.ExclamationEqualsToken:
-                        typeName = "false";
+                        typeName = "true";
                 }
 
                 if (typeName) {
diff --git a/tests/baselines/reference/operationsAvailableOnPromisedType.errors.txt b/tests/baselines/reference/operationsAvailableOnPromisedType.errors.txt
new file mode 100644
index 00000000000..20f5767d027
--- /dev/null
+++ b/tests/baselines/reference/operationsAvailableOnPromisedType.errors.txt
@@ -0,0 +1,91 @@
+tests/cases/compiler/operationsAvailableOnPromisedType.ts(11,9): error TS2766: The right-hand side of an arithmetic operation must be of type 'any', 'number', 'bigint' or an enum type. Did you forget to use 'await'?
+tests/cases/compiler/operationsAvailableOnPromisedType.ts(12,5): error TS2765: The left-hand side of an arithmetic operation must be of type 'any', 'number', 'bigint' or an enum type. Did you forget to use 'await'?
+tests/cases/compiler/operationsAvailableOnPromisedType.ts(13,5): error TS2763: Operator '+' cannot be applied to types 'number' and 'Promise<number>'. Did you forget to use 'await'?
+tests/cases/compiler/operationsAvailableOnPromisedType.ts(14,5): error TS2763: Operator '>' cannot be applied to types 'number' and 'Promise<number>'. Did you forget to use 'await'?
+tests/cases/compiler/operationsAvailableOnPromisedType.ts(15,5): error TS2764: An arithmetic operand must be of type 'any', 'number', 'bigint' or an enum type. Did you forget to use 'await'?
+tests/cases/compiler/operationsAvailableOnPromisedType.ts(16,7): error TS2764: An arithmetic operand must be of type 'any', 'number', 'bigint' or an enum type. Did you forget to use 'await'?
+tests/cases/compiler/operationsAvailableOnPromisedType.ts(17,5): error TS2776: This condition will always return 'false' since the types 'number' and 'Promise<number>' have no overlap. Did you forget to use 'await'?
+tests/cases/compiler/operationsAvailableOnPromisedType.ts(18,9): error TS2769: Type 'Promise<string[]>' is not an array type. Did you forget to use 'await'?
+tests/cases/compiler/operationsAvailableOnPromisedType.ts(19,21): error TS2770: Type 'Promise<string[]>' is not an array type or a string type. Did you forget to use 'await'?
+tests/cases/compiler/operationsAvailableOnPromisedType.ts(20,9): error TS2554: Expected 7 arguments, but got 4.
+tests/cases/compiler/operationsAvailableOnPromisedType.ts(21,11): error TS2570: Property 'prop' does not exist on type 'Promise<{ prop: string; }>'. Did you forget to use 'await'?
+tests/cases/compiler/operationsAvailableOnPromisedType.ts(23,27): error TS2770: Type 'Promise<string[]>' is not an array type or a string type. Did you forget to use 'await'?
+tests/cases/compiler/operationsAvailableOnPromisedType.ts(24,5): error TS2774: This expression is not callable. Did you forget to use 'await'?
+  Type 'Promise<() => void>' has no call signatures.
+tests/cases/compiler/operationsAvailableOnPromisedType.ts(25,5): error TS2774: This expression is not callable. Did you forget to use 'await'?
+  Not all constituents of type 'Promise<() => void> | (() => void)' are callable.
+    Type 'Promise<() => void>' has no call signatures.
+tests/cases/compiler/operationsAvailableOnPromisedType.ts(26,9): error TS2775: This expression is not constructable. Did you forget to use 'await'?
+  Type 'Promise<new () => any>' has no construct signatures.
+tests/cases/compiler/operationsAvailableOnPromisedType.ts(27,5): error TS2349: This expression is not callable.
+  Type 'Promise<number>' has no call signatures.
+
+
+==== tests/cases/compiler/operationsAvailableOnPromisedType.ts (16 errors) ====
+    async function fn(
+        a: number,
+        b: Promise<number>,
+        c: Promise<string[]>,
+        d: Promise<{ prop: string }>,
+        e: Promise<() => void>,
+        f: Promise<() => void> | (() => void),
+        g: Promise<{ new(): any }>
+    ) {
+        // All errors
+        a | b;
+            ~
+!!! error TS2766: The right-hand side of an arithmetic operation must be of type 'any', 'number', 'bigint' or an enum type. Did you forget to use 'await'?
+        b | a;
+        ~
+!!! error TS2765: The left-hand side of an arithmetic operation must be of type 'any', 'number', 'bigint' or an enum type. Did you forget to use 'await'?
+        a + b;
+        ~~~~~
+!!! error TS2763: Operator '+' cannot be applied to types 'number' and 'Promise<number>'. Did you forget to use 'await'?
+        a > b;
+        ~~~~~
+!!! error TS2763: Operator '>' cannot be applied to types 'number' and 'Promise<number>'. Did you forget to use 'await'?
+        b++;
+        ~
+!!! error TS2764: An arithmetic operand must be of type 'any', 'number', 'bigint' or an enum type. Did you forget to use 'await'?
+        --b;
+          ~
+!!! error TS2764: An arithmetic operand must be of type 'any', 'number', 'bigint' or an enum type. Did you forget to use 'await'?
+        a === b;
+        ~~~~~~~
+!!! error TS2776: This condition will always return 'false' since the types 'number' and 'Promise<number>' have no overlap. Did you forget to use 'await'?
+        [...c];
+            ~
+!!! error TS2769: Type 'Promise<string[]>' is not an array type. Did you forget to use 'await'?
+        for (const s of c) {
+                        ~
+!!! error TS2770: Type 'Promise<string[]>' is not an array type or a string type. Did you forget to use 'await'?
+            fn(b, b, c, d);
+            ~~~~~~~~~~~~~~
+!!! error TS2554: Expected 7 arguments, but got 4.
+!!! related TS6210 tests/cases/compiler/operationsAvailableOnPromisedType.ts:6:5: An argument for 'e' was not provided.
+            d.prop;
+              ~~~~
+!!! error TS2570: Property 'prop' does not exist on type 'Promise<{ prop: string; }>'. Did you forget to use 'await'?
+        }
+        for await (const s of c) {}
+                              ~
+!!! error TS2770: Type 'Promise<string[]>' is not an array type or a string type. Did you forget to use 'await'?
+        e();
+        ~
+!!! error TS2774: This expression is not callable. Did you forget to use 'await'?
+!!! error TS2774:   Type 'Promise<() => void>' has no call signatures.
+        f();
+        ~
+!!! error TS2774: This expression is not callable. Did you forget to use 'await'?
+!!! error TS2774:   Not all constituents of type 'Promise<() => void> | (() => void)' are callable.
+!!! error TS2774:     Type 'Promise<() => void>' has no call signatures.
+        new g();
+            ~
+!!! error TS2775: This expression is not constructable. Did you forget to use 'await'?
+!!! error TS2775:   Type 'Promise<new () => any>' has no construct signatures.
+        b();
+        ~
+!!! error TS2349: This expression is not callable.
+!!! error TS2349:   Type 'Promise<number>' has no call signatures.
+    }
+    
\ No newline at end of file
diff --git a/tests/baselines/reference/operationsAvailableOnPromisedType.js b/tests/baselines/reference/operationsAvailableOnPromisedType.js
new file mode 100644
index 00000000000..889797a64b0
--- /dev/null
+++ b/tests/baselines/reference/operationsAvailableOnPromisedType.js
@@ -0,0 +1,141 @@
+//// [operationsAvailableOnPromisedType.ts]
+async function fn(
+    a: number,
+    b: Promise<number>,
+    c: Promise<string[]>,
+    d: Promise<{ prop: string }>,
+    e: Promise<() => void>,
+    f: Promise<() => void> | (() => void),
+    g: Promise<{ new(): any }>
+) {
+    // All errors
+    a | b;
+    b | a;
+    a + b;
+    a > b;
+    b++;
+    --b;
+    a === b;
+    [...c];
+    for (const s of c) {
+        fn(b, b, c, d);
+        d.prop;
+    }
+    for await (const s of c) {}
+    e();
+    f();
+    new g();
+    b();
+}
+
+
+//// [operationsAvailableOnPromisedType.js]
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    return new (P || (P = Promise))(function (resolve, reject) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
+        step((generator = generator.apply(thisArg, _arguments || [])).next());
+    });
+};
+var __generator = (this && this.__generator) || function (thisArg, body) {
+    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
+    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
+    function verb(n) { return function (v) { return step([n, v]); }; }
+    function step(op) {
+        if (f) throw new TypeError("Generator is already executing.");
+        while (_) try {
+            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
+            if (y = 0, t) op = [op[0] & 2, t.value];
+            switch (op[0]) {
+                case 0: case 1: t = op; break;
+                case 4: _.label++; return { value: op[1], done: false };
+                case 5: _.label++; y = op[1]; op = [0]; continue;
+                case 7: op = _.ops.pop(); _.trys.pop(); continue;
+                default:
+                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
+                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
+                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
+                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
+                    if (t[2]) _.ops.pop();
+                    _.trys.pop(); continue;
+            }
+            op = body.call(thisArg, _);
+        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
+        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
+    }
+};
+var __asyncValues = (this && this.__asyncValues) || function (o) {
+    if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
+    var m = o[Symbol.asyncIterator], i;
+    return m ? m.call(o) : (o = typeof __values === "function" ? __values(o) : o[Symbol.iterator](), i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i);
+    function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }
+    function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }
+};
+var __spreadArrays = (this && this.__spreadArrays) || function () {
+    for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;
+    for (var r = Array(s), k = 0, i = 0; i < il; i++)
+        for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)
+            r[k] = a[j];
+    return r;
+};
+function fn(a, b, c, d, e, f, g) {
+    var c_1, c_1_1;
+    var e_1, _a;
+    return __awaiter(this, void 0, void 0, function () {
+        var _i, c_2, s, s, e_1_1;
+        return __generator(this, function (_b) {
+            switch (_b.label) {
+                case 0:
+                    // All errors
+                    a | b;
+                    b | a;
+                    a + b;
+                    a > b;
+                    b++;
+                    --b;
+                    a === b;
+                    __spreadArrays(c);
+                    for (_i = 0, c_2 = c; _i < c_2.length; _i++) {
+                        s = c_2[_i];
+                        fn(b, b, c, d);
+                        d.prop;
+                    }
+                    _b.label = 1;
+                case 1:
+                    _b.trys.push([1, 6, 7, 12]);
+                    c_1 = __asyncValues(c);
+                    _b.label = 2;
+                case 2: return [4 /*yield*/, c_1.next()];
+                case 3:
+                    if (!(c_1_1 = _b.sent(), !c_1_1.done)) return [3 /*break*/, 5];
+                    s = c_1_1.value;
+                    _b.label = 4;
+                case 4: return [3 /*break*/, 2];
+                case 5: return [3 /*break*/, 12];
+                case 6:
+                    e_1_1 = _b.sent();
+                    e_1 = { error: e_1_1 };
+                    return [3 /*break*/, 12];
+                case 7:
+                    _b.trys.push([7, , 10, 11]);
+                    if (!(c_1_1 && !c_1_1.done && (_a = c_1["return"]))) return [3 /*break*/, 9];
+                    return [4 /*yield*/, _a.call(c_1)];
+                case 8:
+                    _b.sent();
+                    _b.label = 9;
+                case 9: return [3 /*break*/, 11];
+                case 10:
+                    if (e_1) throw e_1.error;
+                    return [7 /*endfinally*/];
+                case 11: return [7 /*endfinally*/];
+                case 12:
+                    e();
+                    f();
+                    new g();
+                    b();
+                    return [2 /*return*/];
+            }
+        });
+    });
+}
diff --git a/tests/baselines/reference/operationsAvailableOnPromisedType.symbols b/tests/baselines/reference/operationsAvailableOnPromisedType.symbols
new file mode 100644
index 00000000000..7f746d2486c
--- /dev/null
+++ b/tests/baselines/reference/operationsAvailableOnPromisedType.symbols
@@ -0,0 +1,94 @@
+=== tests/cases/compiler/operationsAvailableOnPromisedType.ts ===
+async function fn(
+>fn : Symbol(fn, Decl(operationsAvailableOnPromisedType.ts, 0, 0))
+
+    a: number,
+>a : Symbol(a, Decl(operationsAvailableOnPromisedType.ts, 0, 18))
+
+    b: Promise<number>,
+>b : Symbol(b, Decl(operationsAvailableOnPromisedType.ts, 1, 14))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --))
+
+    c: Promise<string[]>,
+>c : Symbol(c, Decl(operationsAvailableOnPromisedType.ts, 2, 23))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --))
+
+    d: Promise<{ prop: string }>,
+>d : Symbol(d, Decl(operationsAvailableOnPromisedType.ts, 3, 25))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --))
+>prop : Symbol(prop, Decl(operationsAvailableOnPromisedType.ts, 4, 16))
+
+    e: Promise<() => void>,
+>e : Symbol(e, Decl(operationsAvailableOnPromisedType.ts, 4, 33))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --))
+
+    f: Promise<() => void> | (() => void),
+>f : Symbol(f, Decl(operationsAvailableOnPromisedType.ts, 5, 27))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --))
+
+    g: Promise<{ new(): any }>
+>g : Symbol(g, Decl(operationsAvailableOnPromisedType.ts, 6, 42))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --))
+
+) {
+    // All errors
+    a | b;
+>a : Symbol(a, Decl(operationsAvailableOnPromisedType.ts, 0, 18))
+>b : Symbol(b, Decl(operationsAvailableOnPromisedType.ts, 1, 14))
+
+    b | a;
+>b : Symbol(b, Decl(operationsAvailableOnPromisedType.ts, 1, 14))
+>a : Symbol(a, Decl(operationsAvailableOnPromisedType.ts, 0, 18))
+
+    a + b;
+>a : Symbol(a, Decl(operationsAvailableOnPromisedType.ts, 0, 18))
+>b : Symbol(b, Decl(operationsAvailableOnPromisedType.ts, 1, 14))
+
+    a > b;
+>a : Symbol(a, Decl(operationsAvailableOnPromisedType.ts, 0, 18))
+>b : Symbol(b, Decl(operationsAvailableOnPromisedType.ts, 1, 14))
+
+    b++;
+>b : Symbol(b, Decl(operationsAvailableOnPromisedType.ts, 1, 14))
+
+    --b;
+>b : Symbol(b, Decl(operationsAvailableOnPromisedType.ts, 1, 14))
+
+    a === b;
+>a : Symbol(a, Decl(operationsAvailableOnPromisedType.ts, 0, 18))
+>b : Symbol(b, Decl(operationsAvailableOnPromisedType.ts, 1, 14))
+
+    [...c];
+>c : Symbol(c, Decl(operationsAvailableOnPromisedType.ts, 2, 23))
+
+    for (const s of c) {
+>s : Symbol(s, Decl(operationsAvailableOnPromisedType.ts, 18, 14))
+>c : Symbol(c, Decl(operationsAvailableOnPromisedType.ts, 2, 23))
+
+        fn(b, b, c, d);
+>fn : Symbol(fn, Decl(operationsAvailableOnPromisedType.ts, 0, 0))
+>b : Symbol(b, Decl(operationsAvailableOnPromisedType.ts, 1, 14))
+>b : Symbol(b, Decl(operationsAvailableOnPromisedType.ts, 1, 14))
+>c : Symbol(c, Decl(operationsAvailableOnPromisedType.ts, 2, 23))
+>d : Symbol(d, Decl(operationsAvailableOnPromisedType.ts, 3, 25))
+
+        d.prop;
+>d : Symbol(d, Decl(operationsAvailableOnPromisedType.ts, 3, 25))
+    }
+    for await (const s of c) {}
+>s : Symbol(s, Decl(operationsAvailableOnPromisedType.ts, 22, 20))
+>c : Symbol(c, Decl(operationsAvailableOnPromisedType.ts, 2, 23))
+
+    e();
+>e : Symbol(e, Decl(operationsAvailableOnPromisedType.ts, 4, 33))
+
+    f();
+>f : Symbol(f, Decl(operationsAvailableOnPromisedType.ts, 5, 27))
+
+    new g();
+>g : Symbol(g, Decl(operationsAvailableOnPromisedType.ts, 6, 42))
+
+    b();
+>b : Symbol(b, Decl(operationsAvailableOnPromisedType.ts, 1, 14))
+}
+
diff --git a/tests/baselines/reference/operationsAvailableOnPromisedType.types b/tests/baselines/reference/operationsAvailableOnPromisedType.types
new file mode 100644
index 00000000000..207f9efcfd3
--- /dev/null
+++ b/tests/baselines/reference/operationsAvailableOnPromisedType.types
@@ -0,0 +1,104 @@
+=== tests/cases/compiler/operationsAvailableOnPromisedType.ts ===
+async function fn(
+>fn : (a: number, b: Promise<number>, c: Promise<string[]>, d: Promise<{ prop: string; }>, e: Promise<() => void>, f: Promise<() => void> | (() => void), g: Promise<new () => any>) => Promise<void>
+
+    a: number,
+>a : number
+
+    b: Promise<number>,
+>b : Promise<number>
+
+    c: Promise<string[]>,
+>c : Promise<string[]>
+
+    d: Promise<{ prop: string }>,
+>d : Promise<{ prop: string; }>
+>prop : string
+
+    e: Promise<() => void>,
+>e : Promise<() => void>
+
+    f: Promise<() => void> | (() => void),
+>f : Promise<() => void> | (() => void)
+
+    g: Promise<{ new(): any }>
+>g : Promise<new () => any>
+
+) {
+    // All errors
+    a | b;
+>a | b : number
+>a : number
+>b : Promise<number>
+
+    b | a;
+>b | a : number
+>b : Promise<number>
+>a : number
+
+    a + b;
+>a + b : any
+>a : number
+>b : Promise<number>
+
+    a > b;
+>a > b : boolean
+>a : number
+>b : Promise<number>
+
+    b++;
+>b++ : number
+>b : Promise<number>
+
+    --b;
+>--b : number
+>b : Promise<number>
+
+    a === b;
+>a === b : boolean
+>a : number
+>b : Promise<number>
+
+    [...c];
+>[...c] : any[]
+>...c : any
+>c : Promise<string[]>
+
+    for (const s of c) {
+>s : any
+>c : Promise<string[]>
+
+        fn(b, b, c, d);
+>fn(b, b, c, d) : Promise<void>
+>fn : (a: number, b: Promise<number>, c: Promise<string[]>, d: Promise<{ prop: string; }>, e: Promise<() => void>, f: Promise<() => void> | (() => void), g: Promise<new () => any>) => Promise<void>
+>b : Promise<number>
+>b : Promise<number>
+>c : Promise<string[]>
+>d : Promise<{ prop: string; }>
+
+        d.prop;
+>d.prop : any
+>d : Promise<{ prop: string; }>
+>prop : any
+    }
+    for await (const s of c) {}
+>s : any
+>c : Promise<string[]>
+
+    e();
+>e() : any
+>e : Promise<() => void>
+
+    f();
+>f() : any
+>f : Promise<() => void> | (() => void)
+
+    new g();
+>new g() : any
+>g : Promise<new () => any>
+
+    b();
+>b() : any
+>b : Promise<number>
+}
+
diff --git a/tests/baselines/reference/types.asyncGenerators.es2018.2.errors.txt b/tests/baselines/reference/types.asyncGenerators.es2018.2.errors.txt
index c8c4ed39ed7..b00f35c503f 100644
--- a/tests/baselines/reference/types.asyncGenerators.es2018.2.errors.txt
+++ b/tests/baselines/reference/types.asyncGenerators.es2018.2.errors.txt
@@ -1,5 +1,5 @@
 tests/cases/conformance/types/asyncGenerators/types.asyncGenerators.es2018.2.ts(2,12): error TS2504: Type '{}' must have a '[Symbol.asyncIterator]()' method that returns an async iterator.
-tests/cases/conformance/types/asyncGenerators/types.asyncGenerators.es2018.2.ts(8,12): error TS2504: Type 'Promise<number[]>' must have a '[Symbol.asyncIterator]()' method that returns an async iterator.
+tests/cases/conformance/types/asyncGenerators/types.asyncGenerators.es2018.2.ts(8,12): error TS2780: Type 'Promise<number[]>' must have a '[Symbol.asyncIterator]()' method that returns an async iterator. Did you forget to use 'await'?
 tests/cases/conformance/types/asyncGenerators/types.asyncGenerators.es2018.2.ts(10,7): error TS2322: Type '() => AsyncGenerator<string, void, unknown>' is not assignable to type '() => AsyncIterableIterator<number>'.
   Type 'AsyncGenerator<string, void, unknown>' is not assignable to type 'AsyncIterableIterator<number>'.
     Types of property 'next' are incompatible.
@@ -71,7 +71,7 @@ tests/cases/conformance/types/asyncGenerators/types.asyncGenerators.es2018.2.ts(
     async function * inferReturnType3() {
         yield* Promise.resolve([1, 2]);
                ~~~~~~~~~~~~~~~~~~~~~~~
-!!! error TS2504: Type 'Promise<number[]>' must have a '[Symbol.asyncIterator]()' method that returns an async iterator.
+!!! error TS2780: Type 'Promise<number[]>' must have a '[Symbol.asyncIterator]()' method that returns an async iterator. Did you forget to use 'await'?
     }
     const assignability1: () => AsyncIterableIterator<number> = async function * () {
           ~~~~~~~~~~~~~~