new file mode 100644
--- /dev/null
+++ b/js/src/jit-test/tests/asm.js/syntax-error-illegal-character.js
@@ -0,0 +1,57 @@
+var JSMSG_ILLEGAL_CHARACTER = "illegal character";
+
+function test_reflect(code) {
+  var caught = false;
+  try {
+    Reflect.parse(code);
+  } catch (e) {
+    caught = true;
+    assertEq(e instanceof SyntaxError, true, code);
+    assertEq(e.message, JSMSG_ILLEGAL_CHARACTER, code);
+  }
+  assertEq(caught, true);
+}
+
+function test_eval(code) {
+  var caught = false;
+  try {
+    eval(code);
+  } catch (e) {
+    caught = true;
+    assertEq(e instanceof SyntaxError, true, code);
+    assertEq(e.message, JSMSG_ILLEGAL_CHARACTER, code);
+  }
+  assertEq(caught, true);
+}
+
+
+function test(code) {
+  test_reflect(code);
+  test_eval(code);
+}
+
+test("(function() { 'use asm'; @");
+test("(function() { 'use asm'; var @");
+test("(function() { 'use asm'; var a @");
+test("(function() { 'use asm'; var a = @");
+test("(function() { 'use asm'; var a = 1 @");
+test("(function() { 'use asm'; var a = 1; @");
+test("(function() { 'use asm'; var a = 1; function @");
+test("(function() { 'use asm'; var a = 1; function f @");
+test("(function() { 'use asm'; var a = 1; function f( @");
+test("(function() { 'use asm'; var a = 1; function f() @");
+test("(function() { 'use asm'; var a = 1; function f() { @");
+test("(function() { 'use asm'; var a = 1; function f() { } @");
+test("(function() { 'use asm'; var a = 1; function f() { } var @");
+test("(function() { 'use asm'; var a = 1; function f() { } var tbl @");
+test("(function() { 'use asm'; var a = 1; function f() { } var tbl = @");
+test("(function() { 'use asm'; var a = 1; function f() { } var tbl = [ @");
+test("(function() { 'use asm'; var a = 1; function f() { } var tbl = [f @");
+test("(function() { 'use asm'; var a = 1; function f() { } var tbl = [f] @");
+test("(function() { 'use asm'; var a = 1; function f() { } var tbl = [f]; @");
+test("(function() { 'use asm'; var a = 1; function f() { } var tbl = [f]; return @");
+test("(function() { 'use asm'; var a = 1; function f() { } var tbl = [f]; return f @");
+test("(function() { 'use asm'; var a = 1; function f() { } var tbl = [f]; return f; @");
+test("(function() { 'use asm'; var a = 1; function f() { } var tbl = [f]; return f; } @");
+test("(function() { 'use asm'; var a = 1; function f() { } var tbl = [f]; return f; }) @");
+test("(function() { 'use asm'; var a = 1; function f() { } var tbl = [f]; return f; }); @");

new file mode 100644
--- /dev/null
+++ b/js/src/jit-test/tests/basic/syntax-error-illegal-character.js
@@ -0,0 +1,1073 @@
+var JSMSG_ILLEGAL_CHARACTER = "illegal character";
+var JSMSG_UNTERMINATED_STRING = "unterminated string literal";
+
+function test_reflect(code) {
+  var caught = false;
+  try {
+    Reflect.parse(code);
+  } catch (e) {
+    caught = true;
+    assertEq(e instanceof SyntaxError, true, code);
+    assertEq(e.message, JSMSG_ILLEGAL_CHARACTER, code);
+  }
+  assertEq(caught, true);
+}
+
+function test_eval(code) {
+  var caught = false;
+  try {
+    eval(code);
+  } catch (e) {
+    caught = true;
+    assertEq(e instanceof SyntaxError, true, code);
+    assertEq(e.message, JSMSG_ILLEGAL_CHARACTER, code);
+  }
+  assertEq(caught, true);
+}
+
+
+function test(code) {
+  test_reflect(code);
+  test_reflect("'use strict'; " + code);
+  test_reflect("(function() { " + code);
+  test_reflect("(function() { 'use strict'; " + code);
+
+  test_eval(code);
+  test_eval("'use strict'; " + code);
+  test_eval("(function() { " + code);
+  test_eval("(function() { 'use strict'; " + code);
+}
+
+function test_no_strict(code) {
+  test_reflect(code);
+  test_reflect("(function() { " + code);
+
+  test_eval(code);
+  test_eval("(function() { " + code);
+}
+
+function test_no_fun_no_eval(code) {
+  test_reflect(code);
+  test_reflect("'use strict'; " + code);
+}
+
+
+function test_fun_arg(arg) {
+  var caught = false;
+  try {
+    new Function(arg, "");
+  } catch (e) {
+    caught = true;
+    assertEq(e.message, JSMSG_ILLEGAL_CHARACTER, arg);
+  }
+  assertEq(caught, true);
+}
+
+// ==== Statements and declarations ====
+
+// ---- Control flow ----
+
+// Block
+
+test("{ @");
+test("{ } @");
+
+test("{ 1 @");
+test("{ 1; @");
+test("{ 1; } @");
+
+// break
+
+test("a: for (;;) { break @");
+test("a: for (;;) { break; @");
+test("a: for (;;) { break a @");
+test("a: for (;;) { break a; @");
+
+test("a: for (;;) { break\n@");
+
+// continue
+
+test("a: for (;;) { continue @");
+test("a: for (;;) { continue; @");
+test("a: for (;;) { continue a @");
+test("a: for (;;) { continue a; @");
+
+test("a: for (;;) { continue\n@");
+
+// Empty
+
+test("@");
+test("; @");
+
+// if...else
+
+test("if @");
+test("if (@");
+test("if (x @");
+test("if (x) @");
+test("if (x) { @");
+test("if (x) {} @");
+test("if (x) {} else @");
+test("if (x) {} else { @");
+test("if (x) {} else {} @");
+test("if (x) x @");
+test("if (x) x; @");
+test("if (x) x; else @");
+test("if (x) x; else y @");
+test("if (x) x; else y; @");
+
+// switch
+
+test("switch @");
+test("switch (@");
+test("switch (x @");
+test("switch (x) @");
+test("switch (x) { @");
+test("switch (x) { case @");
+test("switch (x) { case 1 @");
+test("switch (x) { case 1: @");
+test("switch (x) { case 1: case @");
+test("switch (x) { case 1: case 2 @");
+test("switch (x) { case 1: case 2: @");
+test("switch (x) { case 1: case 2: x @");
+test("switch (x) { case 1: case 2: x; @");
+test("switch (x) { case 1: case 2: x; break @");
+test("switch (x) { case 1: case 2: x; break; @");
+test("switch (x) { case 1: case 2: x; break; case @");
+test("switch (x) { case 1: case 2: x; break; case 3 @");
+test("switch (x) { case 1: case 2: x; break; case 3: y @");
+test("switch (x) { case 1: case 2: x; break; case 3: y; @");
+test("switch (x) { case 1: case 2: x; break; case 3: y; default @");
+test("switch (x) { case 1: case 2: x; break; case 3: y; default: @");
+test("switch (x) { case 1: case 2: x; break; case 3: y; default: z @");
+test("switch (x) { case 1: case 2: x; break; case 3: y; default: z; @");
+test("switch (x) { case 1: case 2: x; break; case 3: y; default: z; } @");
+
+// throw
+
+test("throw @");
+test("throw x @");
+test("throw x; @");
+
+// try...catch
+
+test("try @");
+test("try { @");
+test("try {} @");
+test("try {} catch @");
+test("try {} catch ( @");
+test("try {} catch (e @");
+test("try {} catch (e) @");
+test("try {} catch (e) { @");
+test("try {} catch (e) {} @");
+test("try {} catch (e) {} finally @");
+test("try {} catch (e) {} finally { @");
+test("try {} catch (e) {} finally {} @");
+
+test("try {} catch (e if @");
+test("try {} catch (e if e  @");
+test("try {} catch (e if e instanceof @");
+test("try {} catch (e if e instanceof x @");
+test("try {} catch (e if e instanceof x) @");
+test("try {} catch (e if e instanceof x) { @");
+test("try {} catch (e if e instanceof x) {} @");
+
+// ---- Declarations ----
+
+// var
+
+test("var @");
+test("var x @");
+test("var x = @");
+test("var x = 1 @");
+test("var x = 1 + @");
+test("var x = 1 + 2 @");
+test("var x = 1 + 2, @");
+test("var x = 1 + 2, y @");
+test("var x = 1 + 2, y, @");
+test("var x = 1 + 2, y, z @");
+test("var x = 1 + 2, y, z; @");
+
+test("var [ @");
+test("var [ x @");
+test("var [ x, @");
+test("var [ x, ... @");
+test("var { @");
+test("var { x @");
+test("var { x: @");
+test("var { x: y @");
+test("var { x: y, @");
+test("var { x: y } @");
+test("var { x: y } = @");
+
+// let
+
+test("let @");
+test("let x @");
+test("let x = @");
+test("let x = 1 @");
+test("let x = 1 + @");
+test("let x = 1 + 2 @");
+test("let x = 1 + 2, @");
+test("let x = 1 + 2, y @");
+test("let x = 1 + 2, y, @");
+test("let x = 1 + 2, y, z @");
+test("let x = 1 + 2, y, z; @");
+
+test("let [ @");
+test("let [ x @");
+test("let [ x, @");
+test("let [ x, ... @");
+test("let { @");
+test("let { x @");
+test("let { x: @");
+test("let { x: y @");
+test("let { x: y, @");
+test("let { x: y } @");
+test("let { x: y } = @");
+
+// const
+
+test("const @");
+test("const x @");
+test("const x = @");
+test("const x = 1 @");
+test("const x = 1 + @");
+test("const x = 1 + 2 @");
+test("const x = 1 + 2, @");
+test("const x = 1 + 2, y @");
+test("const x = 1 + 2, y, @");
+test("const x = 1 + 2, y, z @");
+test("const x = 1 + 2, y, z; @");
+
+test("const [ @");
+test("const [ x @");
+test("const [ x, @");
+test("const [ x, ... @");
+test("const { @");
+test("const { x @");
+test("const { x: @");
+test("const { x: y @");
+test("const { x: y, @");
+test("const { x: y } @");
+test("const { x: y } = @");
+
+// ---- Functions ----
+
+// function
+
+test("function @");
+test("function f @");
+test("function f( @");
+test("function f(x @");
+test("function f(x, @");
+test("function f(x, [ @");
+test("function f(x, [y @");
+test("function f(x, [y, @");
+test("function f(x, [y, { @");
+test("function f(x, [y, {z @");
+test("function f(x, [y, {z: @");
+test("function f(x, [y, {z: zz @");
+test("function f(x, [y, {z: zz,  @");
+test("function f(x, [y, {z: zz, w @");
+test("function f(x, [y, {z: zz, w} @");
+test("function f(x, [y, {z: zz, w}] @");
+test("function f(x, [y, {z: zz, w}], @");
+test("function f(x, [y, {z: zz, w}], v @");
+test("function f(x, [y, {z: zz, w}], v= @");
+test("function f(x, [y, {z: zz, w}], v=1 @");
+test("function f(x, [y, {z: zz, w}], v=1, @");
+test("function f(x, [y, {z: zz, w}], v=1, ... @");
+test("function f(x, [y, {z: zz, w}], v=1, ...t @");
+test("function f(x, [y, {z: zz, w}], v=1, ...t) @");
+test("function f(x, [y, {z: zz, w}], v=1, ...t) {@");
+test("function f(x, [y, {z: zz, w}], v=1, ...t) { x @");
+test("function f(x, [y, {z: zz, w}], v=1, ...t) { x; @");
+test("function f(x, [y, {z: zz, w}], v=1, ...t) { x; } @");
+
+// star function
+
+test("function* @");
+test("function* f @");
+test("function* f( @");
+test("function* f(x @");
+test("function* f(x, @");
+test("function* f(x, ... @");
+test("function* f(x, ...t @");
+test("function* f(x, ...t) @");
+test("function* f(x, ...t) {@");
+test("function* f(x, ...t) { x @");
+test("function* f(x, ...t) { x; @");
+test("function* f(x, ...t) { x; } @");
+
+// return
+
+test("function f() { return @");
+test("function f() { return 1 @");
+test("function f() { return 1; @");
+test("function f() { return 1; } @");
+test("function f() { return; @");
+test("function f() { return\n@");
+
+// yield
+
+test("function* f() { yield @");
+test("function* f() { yield 1 @");
+test("function* f() { yield* @");
+test("function* f() { yield* 1 @");
+
+test("function* f() { yield\n@");
+test("function* f() { yield*\n@");
+
+// ---- Iterations ----
+
+// do...while
+
+test("do @");
+test("do {@");
+test("do {} @");
+test("do {} while @");
+test("do {} while ( @");
+test("do {} while (x @");
+test("do {} while (x) @");
+test("do {} while (x); @");
+
+test("do x @");
+test("do x; @");
+test("do x; while @");
+
+// for
+
+test("for @");
+test("for (@");
+test("for (x @");
+test("for (x; @");
+test("for (x; y @");
+test("for (x; y; @");
+test("for (x; y; z @");
+test("for (x; y; z) @");
+test("for (x; y; z) { @");
+test("for (x; y; z) {} @");
+
+test("for (x; y; z) x @");
+test("for (x; y; z) x; @");
+
+test("for (var @");
+test("for (var x @");
+test("for (var x = @");
+test("for (var x = y @");
+test("for (var x = y; @");
+
+test("for (let @");
+test("for (let x @");
+test("for (let x = @");
+test("for (let x = y @");
+test("for (let x = y; @");
+
+// for...in
+
+test("for (x in @");
+test("for (x in y @");
+test("for (x in y) @");
+
+test("for (var x in @");
+test("for (var x in y @");
+test("for (var x in y) @");
+
+test("for (let x in @");
+test("for (let x in y @");
+test("for (let x in y) @");
+
+// for...of
+
+test("for (x of @");
+test("for (x of y @");
+test("for (x of y) @");
+
+test("for (var x of @");
+test("for (var x of y @");
+test("for (var x of y) @");
+
+test("for (let x of @");
+test("for (let x of y @");
+test("for (let x of y) @");
+
+// while
+
+test("while @");
+test("while (@");
+test("while (x @");
+test("while (x) @");
+test("while (x) { @");
+test("while (x) {} @");
+
+test("while (x) x @");
+test("while (x) x; @");
+
+// ---- Others ----
+
+// debugger
+
+test("debugger @");
+test("debugger; @");
+
+// export
+
+test_no_fun_no_eval("export @");
+test_no_fun_no_eval("export x @");
+test_no_fun_no_eval("export x, @");
+test_no_fun_no_eval("export x, y @");
+test_no_fun_no_eval("export x, y; @");
+
+test_no_fun_no_eval("export { @");
+test_no_fun_no_eval("export { x @");
+test_no_fun_no_eval("export { x, @");
+test_no_fun_no_eval("export { x, y @");
+test_no_fun_no_eval("export { x, y as @");
+test_no_fun_no_eval("export { x, y as z @");
+test_no_fun_no_eval("export { x, y as z } @");
+test_no_fun_no_eval("export { x, y as z } from @");
+test_no_fun_no_eval("export { x, y as z } from 'a' @");
+test_no_fun_no_eval("export { x, y as z } from 'a'; @");
+
+test_no_fun_no_eval("export * @");
+test_no_fun_no_eval("export * from @");
+test_no_fun_no_eval("export * from 'a' @");
+test_no_fun_no_eval("export * from 'a'; @");
+
+test_no_fun_no_eval("export function @");
+test_no_fun_no_eval("export function f @");
+test_no_fun_no_eval("export function f( @");
+test_no_fun_no_eval("export function f() @");
+test_no_fun_no_eval("export function f() { @");
+test_no_fun_no_eval("export function f() {} @");
+test_no_fun_no_eval("export function f() {}; @");
+
+test_no_fun_no_eval("export var @");
+test_no_fun_no_eval("export var a @");
+test_no_fun_no_eval("export var a = @");
+test_no_fun_no_eval("export var a = 1 @");
+test_no_fun_no_eval("export var a = 1, @");
+test_no_fun_no_eval("export var a = 1, b @");
+test_no_fun_no_eval("export var a = 1, b = @");
+test_no_fun_no_eval("export var a = 1, b = 2 @");
+test_no_fun_no_eval("export var a = 1, b = 2; @");
+
+test_no_fun_no_eval("export let @");
+test_no_fun_no_eval("export let a @");
+test_no_fun_no_eval("export let a = @");
+test_no_fun_no_eval("export let a = 1 @");
+test_no_fun_no_eval("export let a = 1, @");
+test_no_fun_no_eval("export let a = 1, b @");
+test_no_fun_no_eval("export let a = 1, b = @");
+test_no_fun_no_eval("export let a = 1, b = 2 @");
+test_no_fun_no_eval("export let a = 1, b = 2; @");
+
+test_no_fun_no_eval("export const @");
+test_no_fun_no_eval("export const a @");
+test_no_fun_no_eval("export const a = @");
+test_no_fun_no_eval("export const a = 1 @");
+test_no_fun_no_eval("export const a = 1, @");
+test_no_fun_no_eval("export const a = 1, b @");
+test_no_fun_no_eval("export const a = 1, b = @");
+test_no_fun_no_eval("export const a = 1, b = 2 @");
+test_no_fun_no_eval("export const a = 1, b = 2; @");
+
+// import
+
+test_no_fun_no_eval("import @");
+test_no_fun_no_eval("import x @");
+test_no_fun_no_eval("import x from @");
+test_no_fun_no_eval("import x from 'a' @");
+test_no_fun_no_eval("import x from 'a'; @");
+
+test_no_fun_no_eval("import { @");
+test_no_fun_no_eval("import { x @");
+test_no_fun_no_eval("import { x, @");
+test_no_fun_no_eval("import { x, y @");
+test_no_fun_no_eval("import { x, y } @");
+test_no_fun_no_eval("import { x, y } from @");
+test_no_fun_no_eval("import { x, y } from 'a' @");
+test_no_fun_no_eval("import { x, y } from 'a'; @");
+
+test_no_fun_no_eval("import { x as @");
+test_no_fun_no_eval("import { x as y @");
+test_no_fun_no_eval("import { x as y } @");
+test_no_fun_no_eval("import { x as y } from @");
+test_no_fun_no_eval("import { x as y } from 'a' @");
+test_no_fun_no_eval("import { x as y } from 'a'; @");
+
+test_no_fun_no_eval("import 'a' @");
+test_no_fun_no_eval("import 'a'; @");
+
+// label
+
+test("a @");
+test("a: @");
+
+// with
+
+test_no_strict("with @");
+test_no_strict("with (@");
+test_no_strict("with (x @");
+test_no_strict("with (x) @");
+test_no_strict("with (x) { @");
+test_no_strict("with (x) {} @");
+
+test_no_strict("with (x) x @");
+test_no_strict("with (x) x; @");
+
+// ==== Expressions and operators ====
+
+// ---- Primary expressions ----
+
+// this
+
+test("this @");
+
+// function
+
+test("(function @");
+test("(function ( @");
+test("(function (x @");
+test("(function (x, @");
+test("(function (x, ... @");
+test("(function (x, ...t @");
+test("(function (x, ...t) @");
+test("(function (x, ...t) {@");
+test("(function (x, ...t) { x @");
+test("(function (x, ...t) { x; @");
+test("(function (x, ...t) { x; } @");
+test("(function (x, ...t) { x; }) @");
+
+// star function
+
+test("(function* @");
+test("(function* ( @");
+test("(function* (x @");
+test("(function* (x, @");
+test("(function* (x, ... @");
+test("(function* (x, ...t @");
+test("(function* (x, ...t) @");
+test("(function* (x, ...t) {@");
+test("(function* (x, ...t) { x @");
+test("(function* (x, ...t) { x; @");
+test("(function* (x, ...t) { x; } @");
+test("(function* (x, ...t) { x; }) @");
+
+// Array literal
+
+test("[ @");
+test("[] @");
+test("[1 @");
+test("[1, @");
+test("[1, ... @");
+test("[1, ...x @");
+test("[1, ...x] @");
+
+// object
+
+test("({ @");
+test("({ x @");
+test("({ x: @");
+test("({ x: 1 @");
+test("({ x: 1, @");
+test("({ x: 1, y @");
+test("({ x: 1, y: @");
+test("({ x: 1, y: 2 @");
+test("({ x: 1, y: 2, @");
+test("({ x: 1, y: 2, z @");
+test("({ x: 1, y: 2, z, @");
+test("({ x: 1, y: 2, z, w @");
+test("({ x: 1, y: 2, z, w } @");
+test("({ x: 1, y: 2, z, w }) @");
+
+// object: computed property
+
+test("({ [@");
+test("({ [k @");
+test("({ [k] @");
+test("({ [k]: @");
+test("({ [k]: 1 @");
+test("({ [k]: 1, @");
+
+// object: getter
+
+test("({ get @");
+test("({ get p @");
+test("({ get p( @");
+test("({ get p() @");
+test("({ get p() { @");
+test("({ get p() {} @");
+test("({ get p() {}, @");
+test("({ get p() {}, } @");
+
+test("({ get [ @");
+test("({ get [p @");
+test("({ get [p] @");
+test("({ get [p]( @");
+test("({ get [p]() @");
+
+// object: setter
+
+test("({ set @");
+test("({ set p @");
+test("({ set p( @");
+test("({ set p(v @");
+test("({ set p(v) @");
+test("({ set p(v) { @");
+test("({ set p(v) {} @");
+
+test("({ set [ @");
+test("({ set [p @");
+test("({ set [p] @");
+test("({ set [p]( @");
+test("({ set [p](v @");
+test("({ set [p](v) @");
+
+// object: method
+
+test("({ m @");
+test("({ m( @");
+test("({ m() @");
+test("({ m() { @");
+test("({ m() {} @");
+test("({ m() {}, @");
+
+test("({ [ @");
+test("({ [m @");
+test("({ [m] @");
+test("({ [m]( @");
+test("({ [m]() @");
+test("({ [m]() { @");
+test("({ [m]() {} @");
+test("({ [m]() {}, @");
+
+test("({ * @");
+test("({ *m @");
+test("({ *m( @");
+test("({ *m() @");
+test("({ *m() { @");
+test("({ *m() {} @");
+test("({ *m() {}, @");
+
+test("({ *[ @");
+test("({ *[m @");
+test("({ *[m] @");
+test("({ *[m]( @");
+test("({ *[m]() @");
+test("({ *[m]() { @");
+test("({ *[m]() {} @");
+test("({ *[m]() {}, @");
+
+// Regular expression literal
+
+test("/a/ @");
+test("/a/g @");
+
+// Array comprehensions
+
+test("[for @");
+test("[for ( @");
+test("[for (x @");
+test("[for (x of @");
+test("[for (x of y @");
+test("[for (x of y) @");
+test("[for (x of y) x @");
+test("[for (x of y) if @");
+test("[for (x of y) if ( @");
+test("[for (x of y) if (x @");
+test("[for (x of y) if (x == @");
+test("[for (x of y) if (x == 1 @");
+test("[for (x of y) if (x == 1) @");
+test("[for (x of y) if (x == 1) x @");
+test("[for (x of y) if (x == 1) x] @");
+
+// Generator comprehensions
+
+test("(for @");
+test("(for ( @");
+test("(for (x @");
+test("(for (x of @");
+test("(for (x of y @");
+test("(for (x of y) @");
+test("(for (x of y) x @");
+test("(for (x of y) if @");
+test("(for (x of y) if ( @");
+test("(for (x of y) if (x @");
+test("(for (x of y) if (x == @");
+test("(for (x of y) if (x == 1 @");
+test("(for (x of y) if (x == 1) @");
+test("(for (x of y) if (x == 1) x @");
+test("(for (x of y) if (x == 1) x) @");
+
+// ---- Left-hand-side expressions ----
+
+// property access
+
+test("a[ @");
+test("a[1 @");
+test("a[1] @");
+
+test("a. @");
+test("a.b @");
+test("a.b; @");
+
+// new
+
+test("new @");
+test("new f @");
+test("new f( @");
+test("new f() @");
+test("new f(); @");
+
+// ---- Increment and decrement ----
+
+test("a ++ @");
+test("a ++; @");
+
+test("-- @");
+test("-- a @");
+test("-- a; @");
+
+// ---- Unary operators ----
+
+// delete
+
+test("delete @");
+test("delete a @");
+test("delete a[ @");
+test("delete a[b @");
+test("delete a[b] @");
+test("delete a[b]; @");
+
+test("delete ( @");
+test("delete (a @");
+test("delete (a[ @");
+test("delete (a[b @");
+test("delete (a[b] @");
+test("delete (a[b]) @");
+test("delete (a[b]); @");
+
+// void
+
+test("void @");
+test("void a @");
+test("void a; @");
+
+test("void (@");
+test("void (a @");
+test("void (a) @");
+test("void (a); @");
+
+// typeof
+
+test("typeof @");
+test("typeof a @");
+test("typeof a; @");
+
+test("typeof (@");
+test("typeof (a @");
+test("typeof (a) @");
+test("typeof (a); @");
+
+// -
+
+test("- @");
+test("- 1 @");
+test("- 1; @");
+
+// +
+
+test("+ @");
+test("+ 1 @");
+test("+ 1; @");
+
+// ---- Arithmetic operators ----
+
+// +
+
+test("1 + @");
+test("1 + 1 @");
+test("1 + 1; @");
+
+// ---- Relational operators ----
+
+// in
+
+test("a in @");
+test("a in b @");
+test("a in b; @");
+
+// instanceof
+
+test("a instanceof @");
+test("a instanceof b @");
+test("a instanceof b; @");
+
+// ---- Equality operators ----
+
+// ==
+
+test("1 == @");
+test("1 == 1 @");
+test("1 == 1; @");
+
+// ---- Bitwise shift operators ----
+
+// <<
+
+test("1 << @");
+test("1 << 1 @");
+test("1 << 1; @");
+
+// ---- Binary bitwise operators ----
+
+// &
+
+test("1 & @");
+test("1 & 1 @");
+test("1 & 1; @");
+
+// ---- Binary logical operators ----
+
+// ||
+
+test("1 || @");
+test("1 || 1 @");
+test("1 || 1; @");
+
+// ---- Conditional (ternary) operator ----
+
+test("1 ? @");
+test("1 ? 2 @");
+test("1 ? 2 : @");
+test("1 ? 2 : 3 @");
+test("1 ? 2 : 3; @");
+
+// ---- Assignment operators ----
+
+test("x = @");
+test("x = 1 @");
+test("x = 1 + @");
+test("x = 1 + 2 @");
+test("x = 1 + 2; @");
+
+// ---- Comma operator ----
+
+test("1, @");
+test("1, 2 @");
+test("1, 2; @");
+
+// ---- Functions ----
+
+// Arrow functions
+
+test("a => @");
+test("a => 1 @");
+test("a => 1; @");
+test("a => { @");
+test("a => {} @");
+test("a => {}; @");
+
+test("( @");
+test("() @");
+test("() => @");
+
+test("(...@");
+test("(...a @");
+test("(...a) @");
+test("(...a) => @");
+
+test("([ @");
+test("([a @");
+test("([a] @");
+test("([a]) @");
+test("([a]) => @");
+
+test("({ @");
+test("({a @");
+test("({a} @");
+test("({a}) @");
+test("({a}) => @");
+test("({a: @");
+test("({a: b @");
+test("({a: b, @");
+test("({a: b} @");
+test("({a: b}) @");
+test("({a: b}) => @");
+
+// ---- Other ----
+
+// Literals
+
+test("a @");
+test("1 @");
+test("1. @");
+test("1.2 @");
+test("true @");
+test("false @");
+test("\"a\" @");
+test("'a' @");
+test("null @");
+
+// Template strings
+
+test("`${ @");
+test("`${a @");
+test("`${a}` @");
+
+// Unterminated Template strings
+// This should not be treated as Illegal character error.
+
+var caught = false;
+try {
+  Reflect.parse("`${1}@");
+} catch (e) {
+  caught = true;
+  assertEq(e.message, JSMSG_UNTERMINATED_STRING);
+}
+assertEq(caught, true);
+
+// Function calls
+
+test("f( @");
+test("f() @");
+test("f(); @");
+
+test("f(... @");
+test("f(...x @");
+test("f(...x) @");
+
+// Function constructors
+
+test_fun_arg("@");
+test_fun_arg("a @");
+test_fun_arg("... @");
+test_fun_arg("...a @");
+
+// ==== Legacy ====
+
+// let statement
+
+test("let ( @");
+test("let ( x @");
+test("let ( x = @");
+test("let ( x = 1 @");
+test("let ( x = 1, @");
+test("let ( x = 1, y @");
+test("let ( x = 1, y = @");
+test("let ( x = 1, y = 2 @");
+test("let ( x = 1, y = 2 ) @");
+test("let ( x = 1, y = 2 ) { @");
+test("let ( x = 1, y = 2 ) { x @");
+test("let ( x = 1, y = 2 ) { x; @");
+test("let ( x = 1, y = 2 ) { x; } @");
+test_no_strict("let ( x = 1, y = 2 ) x @");
+
+// Expression closures
+
+test("function f() 1 @");
+test("function f() 1; @");
+test("(function () 1 @");
+test("(function () 1); @");
+
+// Legacy generator
+
+test("function f() { (yield @");
+test("function f() { (yield 1 @");
+test("function f() { f(yield @");
+test("function f() { f(yield 1 @");
+
+// for each...in
+
+test("for each @");
+test("for each (@");
+test("for each (x @");
+test("for each (x in @");
+test("for each (x in y @");
+test("for each (x in y) @");
+
+test("for each (var @");
+test("for each (var x @");
+test("for each (var x in @");
+test("for each (var x in y @");
+test("for each (var x in y) @");
+
+test("for each (let @");
+test("for each (let x @");
+test("for each (let x in @");
+test("for each (let x in y @");
+test("for each (let x in y) @");
+
+// let expression
+
+test("(let @");
+test("(let ( @");
+test("(let ( x @");
+test("(let ( x = @");
+test("(let ( x = 1 @");
+test("(let ( x = 1, @");
+test("(let ( x = 1, y @");
+test("(let ( x = 1, y = @");
+test("(let ( x = 1, y = 2 @");
+test("(let ( x = 1, y = 2 ) @");
+test("(let ( x = 1, y = 2 ) x @");
+test("(let ( x = 1, y = 2 ) x) @");
+test("(let ( x = 1, y = 2 ) x); @");
+
+// Legacy array comprehensions
+
+test("[x @");
+test("[x for @");
+test("[x for ( @");
+test("[x for (x @");
+test("[x for (x of @");
+test("[x for (x of y @");
+test("[x for (x of y) @");
+test("[x for (x of y) if @");
+test("[x for (x of y) if ( @");
+test("[x for (x of y) if (x @");
+test("[x for (x of y) if (x == @");
+test("[x for (x of y) if (x == 1 @");
+test("[x for (x of y) if (x == 1) @");
+test("[x for (x of y) if (x == 1)] @");
+
+test("[x for (x in @");
+test("[x for (x in y @");
+test("[x for (x in y) @");
+
+test("[x for each @");
+test("[x for each ( @");
+test("[x for each (x @");
+test("[x for each (x in @");
+test("[x for each (x in y @");
+test("[x for each (x in y) @");
+
+// Generator expressions
+
+test("(x @");
+test("(x for @");
+test("(x for ( @");
+test("(x for (x @");
+test("(x for (x of @");
+test("(x for (x of y @");
+test("(x for (x of y) @");
+test("(x for (x of y) if @");
+test("(x for (x of y) if ( @");
+test("(x for (x of y) if (x @");
+test("(x for (x of y) if (x == @");
+test("(x for (x of y) if (x == 1 @");
+test("(x for (x of y) if (x == 1) @");
+test("(x for (x of y) if (x == 1)) @");
+
+test("(x for (x in @");
+test("(x for (x in y @");
+test("(x for (x in y) @");
+
+test("(x for each @");
+test("(x for each ( @");
+test("(x for each (x @");
+test("(x for each (x in @");
+test("(x for each (x in y @");
+test("(x for each (x in y) @");