Remove runtime flags for sloppy mode block scoping features

test/mjsunit/harmony/block-for-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.
-
-// Flags: --harmony-sloppy --harmony-sloppy-let
-
-function props(x) {
-  var array = [];
-  for (let p in x) array.push(p);
-  return array.sort();
-}
-
-assertEquals(0, props({}).length);
-assertEquals(1, props({x:1}).length);
-assertEquals(2, props({x:1, y:2}).length);
-
-assertArrayEquals(["x"], props({x:1}));
-assertArrayEquals(["x", "y"], props({x:1, y:2}));
-assertArrayEquals(["x", "y", "zoom"], props({x:1, y:2, zoom:3}));
-
-assertEquals(0, props([]).length);
-assertEquals(1, props([1]).length);
-assertEquals(2, props([1,2]).length);
-
-assertArrayEquals(["0"], props([1]));
-assertArrayEquals(["0", "1"], props([1,2]));
-assertArrayEquals(["0", "1", "2"], props([1,2,3]));
-
-var o = {};
-var a = [];
-let i = "outer_i";
-let s = "outer_s";
-for (let i = 0x0020; i < 0x01ff; i+=2) {
-  let s = 'char:' + String.fromCharCode(i);
-  a.push(s);
-  o[s] = i;
-}
-assertArrayEquals(a, props(o));
-assertEquals(i, "outer_i");
-assertEquals(s, "outer_s");
-
-var a = [];
-assertEquals(0, props(a).length);
-a[Math.pow(2,30)-1] = 0;
-assertEquals(1, props(a).length);
-a[Math.pow(2,31)-1] = 0;
-assertEquals(2, props(a).length);
-a[1] = 0;
-assertEquals(3, props(a).length);
-
-var result = '';
-for (let p in {a : [0], b : 1}) { result += p; }
-assertEquals('ab', result);
-
-var result = '';
-for (let p in {a : {v:1}, b : 1}) { result += p; }
-assertEquals('ab', result);
-
-var result = '';
-for (let p in { get a() {}, b : 1}) { result += p; }
-assertEquals('ab', result);
-
-var result = '';
-for (let p in { get a() {}, set a(x) {}, b : 1}) { result += p; }
-assertEquals('ab', result);
-
-
-// Check that there is exactly one variable without initializer
-// in a for-in statement with let variables.
-assertThrows("function foo() { 'use strict'; for (let in {}) { } }", SyntaxError);
-assertThrows("function foo() { 'use strict'; for (let x = 3 in {}) { } }", SyntaxError);
-assertThrows("function foo() { 'use strict'; for (let x, y in {}) { } }", SyntaxError);
-assertThrows("function foo() { 'use strict'; for (let x = 3, y in {}) { } }", SyntaxError);
-assertThrows("function foo() { 'use strict'; for (let x, y = 4 in {}) { } }", SyntaxError);
-assertThrows("function foo() { 'use strict'; for (let x = 3, y = 4 in {}) { } }", SyntaxError);
-
-
-// In a normal for statement the iteration variable is
-// freshly allocated for each iteration.
-function closures1() {
-  let a = [];
-  for (let i = 0; i < 5; ++i) {
-    a.push(function () { return i; });
-  }
-  for (let j = 0; j < 5; ++j) {
-    assertEquals(j, a[j]());
-  }
-}
-closures1();
-
-
-function closures2() {
-  let a = [], b = [];
-  for (let i = 0, j = 10; i < 5; ++i, ++j) {
-    a.push(function () { return i; });
-    b.push(function () { return j; });
-  }
-  for (let k = 0; k < 5; ++k) {
-    assertEquals(k, a[k]());
-    assertEquals(k + 10, b[k]());
-  }
-}
-closures2();
-
-
-function closure_in_for_init() {
-  let a = [];
-  for (let i = 0, f = function() { return i }; i < 5; ++i) {
-    a.push(f);
-  }
-  for (let k = 0; k < 5; ++k) {
-    assertEquals(0, a[k]());
-  }
-}
-closure_in_for_init();
-
-
-function closure_in_for_cond() {
-  let a = [];
-  for (let i = 0; a.push(function () { return i; }), i < 5; ++i) { }
-  for (let k = 0; k < 5; ++k) {
-    assertEquals(k, a[k]());
-  }
-}
-closure_in_for_cond();
-
-
-function closure_in_for_next() {
-  let a = [];
-  for (let i = 0; i < 5; a.push(function () { return i; }), ++i) { }
-  for (let k = 0; k < 5; ++k) {
-    assertEquals(k + 1, a[k]());
-  }
-}
-closure_in_for_next();
-
-
-// In a for-in statement the iteration variable is fresh
-// for each iteration.
-function closures3(x) {
-  let a = [];
-  for (let p in x) {
-    a.push(function () { return p; });
-  }
-  let k = 0;
-  for (let q in x) {
-    assertEquals(q, a[k]());
-    ++k;
-  }
-}
-closures3({a : [0], b : 1, c : {v : 1}, get d() {}, set e(x) {}});
-
-// Check normal for statement completion values.
-assertEquals(1, eval("for (let i = 0; i < 10; i++) { 1; }"));
-assertEquals(9, eval("for (let i = 0; i < 10; i++) { i; }"));
-assertEquals(undefined, eval("for (let i = 0; false;) { }"));
-assertEquals(undefined, eval("for (const i = 0; false;) { }"));
-assertEquals(undefined, eval("for (let i = 0; i < 10; i++) { }"));
-assertEquals(undefined, eval("for (let i = 0; false;) { i; }"));
-assertEquals(undefined, eval("for (const i = 0; false;) { i; }"));
-assertEquals(undefined, eval("for (let i = 0; true;) { break; }"));
-assertEquals(undefined, eval("for (const i = 0; true;) { break; }"));
-assertEquals(undefined, eval("for (let i = 0; i < 10; i++) { continue; }"));
-assertEquals(undefined, eval("for (let i = 0; true;) { break; i; }"));
-assertEquals(undefined, eval("for (const i = 0; true;) { break; i; }"));
-assertEquals(undefined, eval("for (let i = 0; i < 10; i++) { continue; i; }"));
-assertEquals(0, eval("for (let i = 0; true;) { i; break; }"));
-assertEquals(0, eval("for (const i = 0; true;) { i; break; }"));
-assertEquals(9, eval("for (let i = 0; i < 10; i++) { i; continue; }"));
-assertEquals(
-  undefined, eval("for (let i = 0; true; i++) { i; if (i >= 3) break; }"));
-assertEquals(
-  undefined, eval("for (let i = 0; true; i++) { if (i >= 3) break; i; }"));
-assertEquals(
-  undefined, eval("for (let i = 0; i < 10; i++) { if (i >= 3) continue; i; }"));
-assertEquals(undefined, eval("foo: for (let i = 0; true;) { break foo; }"));
-assertEquals(undefined, eval("foo: for (const i = 0; true;) { break foo; }"));
-assertEquals(3, eval("foo: for (let i = 3; true;) { i; break foo; }"));