Remove runtime flags for sloppy mode block scoping features

test/mjsunit/harmony/block-let-declaration-sloppy.js

-// Copyright 2011 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-//       notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-//       copyright notice, this list of conditions and the following
-//       disclaimer in the documentation and/or other materials provided
-//       with the distribution.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Test let declarations in various settings.
-
-// Flags: --harmony-sloppy --harmony-sloppy-let
-
-// Global
-let x;
-let y = 2;
-const z = 4;
-class c { static foo() { return 1; } }
-
-// Block local
-{
-  let y;
-  let x = 3;
-  const z = 5;
-  class c { static foo() { return 2; } }
-}
-
-assertEquals(undefined, x);
-assertEquals(2,y);
-assertEquals(4,z);
-assertEquals(1, c.foo());
-
-if (true) {
-  let y;
-  assertEquals(undefined, y);
-}
-
-// Invalid declarations are early errors in harmony mode and thus should trigger
-// an exception in eval code during parsing, before even compiling or executing
-// the code. Thus the generated function is not called here.
-function TestLocalThrows(str, expect) {
-  assertThrows("(function(arg){ 'use strict'; " + str + "})", expect);
-}
-
-function TestLocalDoesNotThrow(str) {
-  assertDoesNotThrow("(function(arg){ 'use strict'; " + str + "})()");
-}
-
-// Test let declarations in statement positions.
-TestLocalThrows("if (true) let x;", SyntaxError);
-TestLocalThrows("if (true) {} else let x;", SyntaxError);
-TestLocalThrows("do let x; while (false)", SyntaxError);
-TestLocalThrows("while (false) let x;", SyntaxError);
-TestLocalThrows("label: let x;", SyntaxError);
-TestLocalThrows("for (;false;) let x;", SyntaxError);
-TestLocalDoesNotThrow("switch (true) { case true: let x; }");
-TestLocalDoesNotThrow("switch (true) { default: let x; }");
-
-// Test const declarations with initialisers in statement positions.
-TestLocalThrows("if (true) const x = 1;", SyntaxError);
-TestLocalThrows("if (true) {} else const x = 1;", SyntaxError);
-TestLocalThrows("do const x = 1; while (false)", SyntaxError);
-TestLocalThrows("while (false) const x = 1;", SyntaxError);
-TestLocalThrows("label: const x = 1;", SyntaxError);
-TestLocalThrows("for (;false;) const x = 1;", SyntaxError);
-TestLocalDoesNotThrow("switch (true) { case true: const x = 1; }");
-TestLocalDoesNotThrow("switch (true) { default: const x = 1; }");
-
-// Test const declarations without initialisers.
-TestLocalThrows("const x;", SyntaxError);
-TestLocalThrows("const x = 1, y;", SyntaxError);
-TestLocalThrows("const x, y = 1;", SyntaxError);
-
-// Test const declarations without initialisers in statement positions.
-TestLocalThrows("if (true) const x;", SyntaxError);
-TestLocalThrows("if (true) {} else const x;", SyntaxError);
-TestLocalThrows("do const x; while (false)", SyntaxError);
-TestLocalThrows("while (false) const x;", SyntaxError);
-TestLocalThrows("label: const x;", SyntaxError);
-TestLocalThrows("for (;false;) const x;", SyntaxError);
-TestLocalThrows("switch (true) { case true: const x; }", SyntaxError);
-TestLocalThrows("switch (true) { default: const x; }", SyntaxError);
-
-// Test var declarations in statement positions.
-TestLocalDoesNotThrow("if (true) var x;");
-TestLocalDoesNotThrow("if (true) {} else var x;");
-TestLocalDoesNotThrow("do var x; while (false)");
-TestLocalDoesNotThrow("while (false) var x;");
-TestLocalDoesNotThrow("label: var x;");
-TestLocalDoesNotThrow("for (;false;) var x;");
-TestLocalDoesNotThrow("switch (true) { case true: var x; }");
-TestLocalDoesNotThrow("switch (true) { default: var x; }");
-
-// Test class declarations with initialisers in statement positions.
-TestLocalThrows("if (true) class x { };", SyntaxError);
-TestLocalThrows("if (true) {} else class x { };", SyntaxError);
-TestLocalThrows("do class x { }; while (false)", SyntaxError);
-TestLocalThrows("while (false) class x { };", SyntaxError);
-TestLocalThrows("label: class x { };", SyntaxError);
-TestLocalThrows("for (;false;) class x { };", SyntaxError);
-TestLocalDoesNotThrow("switch (true) { case true: class x { }; }");
-TestLocalDoesNotThrow("switch (true) { default: class x { }; }");
-
-// Test that redeclarations of functions are only allowed in outermost scope.
-TestLocalThrows("{ let f; var f; }");
-TestLocalThrows("{ var f; let f; }");
-TestLocalThrows("{ function f() {} let f; }");
-TestLocalThrows("{ let f; function f() {} }");
-TestLocalThrows("{ function f() {} var f; }");
-TestLocalThrows("{ var f; function f() {} }");
-TestLocalThrows("{ function f() {} class f {} }");
-TestLocalThrows("{ class f {}; function f() {} }");
-TestLocalThrows("{ function f() {} function f() {} }");
-TestLocalThrows("function f() {} let f;");
-TestLocalThrows("let f; function f() {}");
-TestLocalThrows("function f() {} class f {}");
-TestLocalThrows("class f {}; function f() {}");
-TestLocalDoesNotThrow("function arg() {}");
-TestLocalDoesNotThrow("function f() {} var f;");
-TestLocalDoesNotThrow("var f; function f() {}");
-TestLocalDoesNotThrow("function f() {} function f() {}");
-
-function g(f) {
-  function f() { return 1 }
-  return f()
-}
-assertEquals(1, g(function() { return 2 }))
-
-
-// Test function declarations in source element and
-// sloppy statement positions.
-function f() {
-  // Sloppy source element positions.
-  function g0() {
-    "use strict";
-    // Strict source element positions.
-    function h() { }
-    {
-      function h1() { }
-    }
-  }
-  {
-    function g1() { }
-  }
-}
-f();
-
-// Test function declarations in statement position in strict mode.
-TestLocalThrows("function f() { if (true) function g() {} }", SyntaxError);
-TestLocalThrows("function f() { if (true) {} else function g() {} }", SyntaxError);
-TestLocalThrows("function f() { do function g() {} while (false) }", SyntaxError);
-TestLocalThrows("function f() { while (false) function g() {} }", SyntaxError);
-TestLocalThrows("function f() { label: function g() {} }", SyntaxError);
-TestLocalThrows("function f() { for (;false;) function g() {} }", SyntaxError);
-TestLocalDoesNotThrow("function f() { switch (true) { case true: function g() {} } }");
-TestLocalDoesNotThrow("function f() { switch (true) { default: function g() {} } }");