1 files changed, 483 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/harmony/block-let-crankshaft-sloppy.js b/deps/v8/test/mjsunit/harmony/block-let-crankshaft-sloppy.js
new file mode 100644
index 0000000000..dc5cdfb5b7
--- /dev/null
+++ b/deps/v8/test/mjsunit/harmony/block-let-crankshaft-sloppy.js
@@ -0,0 +1,483 @@
+// 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: --allow-natives-syntax
+// Flags: --no-legacy-const --harmony-sloppy --harmony-sloppy-let
+
+// Check that the following functions are optimizable.
+var functions = [ f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14,
+                  f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26,
+                  f27, f28, f29, f30, f31, f32, f33];
+
+for (var i = 0; i < functions.length; ++i) {
+  var func = functions[i];
+  print("Testing:");
+  print(func);
+  for (var j = 0; j < 10; ++j) {
+    func(12);
+  }
+  %OptimizeFunctionOnNextCall(func);
+  func(12);
+  assertOptimized(func);
+}
+
+function f1() { }
+
+function f2(x) { }
+
+function f3() {
+  let x;
+}
+
+function f4() {
+  function foo() {
+  }
+}
+
+function f5() {
+  let x = 1;
+}
+
+function f6() {
+  const x = 1;
+}
+
+function f7(x) {
+  return x;
+}
+
+function f8() {
+  let x;
+  return x;
+}
+
+function f9() {
+  function x() {
+  }
+  return x;
+}
+
+function f10(x) {
+  x = 1;
+}
+
+function f11() {
+  let x;
+  x = 1;
+}
+
+function f12() {
+  function x() {};
+  x = 1;
+}
+
+function f13(x) {
+  (function() { x; });
+}
+
+function f14() {
+  let x;
+  (function() { x; });
+}
+
+function f15() {
+  function x() {
+  }
+  (function() { x; });
+}
+
+function f16() {
+  let x = 1;
+  (function() { x; });
+}
+
+function f17() {
+  const x = 1;
+  (function() { x; });
+}
+
+function f18(x) {
+  return x;
+  (function() { x; });
+}
+
+function f19() {
+  let x;
+  return x;
+  (function() { x; });
+}
+
+function f20() {
+  function x() {
+  }
+  return x;
+  (function() { x; });
+}
+
+function f21(x) {
+  x = 1;
+  (function() { x; });
+}
+
+function f22() {
+  let x;
+  x = 1;
+  (function() { x; });
+}
+
+function f23() {
+  function x() { }
+  x = 1;
+  (function() { x; });
+}
+
+function f24() {
+  let x = 1;
+  {
+    let x = 2;
+    {
+      let x = 3;
+      assertEquals(3, x);
+    }
+    assertEquals(2, x);
+  }
+  assertEquals(1, x);
+}
+
+function f25() {
+  {
+    let x = 2;
+    L: {
+      let x = 3;
+      assertEquals(3, x);
+      break L;
+      assertTrue(false);
+    }
+    assertEquals(2, x);
+  }
+  assertTrue(true);
+}
+
+function f26() {
+  {
+    let x = 1;
+    L: {
+      let x = 2;
+      {
+        let x = 3;
+        assertEquals(3, x);
+        break L;
+        assertTrue(false);
+      }
+      assertTrue(false);
+    }
+    assertEquals(1, x);
+  }
+}
+
+
+function f27() {
+  do {
+    let x = 4;
+    assertEquals(4,x);
+    {
+      let x = 5;
+      assertEquals(5, x);
+      continue;
+      assertTrue(false);
+    }
+  } while (false);
+}
+
+function f28() {
+  label: for (var i = 0; i < 10; ++i) {
+    let x = 'middle' + i;
+    for (var j = 0; j < 10; ++j) {
+      let x = 'inner' + j;
+      continue label;
+    }
+  }
+}
+
+function f29() {
+  // Verify that the context is correctly set in the stack frame after exiting
+  // from with.
+
+  let x = 'outer';
+  label: {
+    let x = 'inner';
+    break label;
+  }
+  f();  // The context could be restored from the stack after the call.
+  assertEquals('outer', x);
+
+  function f() {
+    assertEquals('outer', x);
+  };
+}
+
+function f30() {
+  let x = 'outer';
+  for (var i = 0; i < 10; ++i) {
+    let x = 'inner';
+    continue;
+  }
+  f();
+  assertEquals('outer', x);
+
+  function f() {
+    assertEquals('outer', x);
+  };
+}
+
+function f31() {
+  {
+    let x = 'outer';
+    label: for (var i = 0; assertEquals('outer', x), i < 10; ++i) {
+      let x = 'middle' + i;
+      {
+        let x = 'inner' + j;
+        continue label;
+      }
+    }
+    assertEquals('outer', x);
+  }
+}
+
+var c = true;
+
+function f32() {
+  {
+    let x = 'outer';
+    L: {
+      {
+        let x = 'inner';
+        if (c) {
+          break L;
+        }
+      }
+      foo();
+    }
+  }
+
+  function foo() {
+    return 'bar';
+  }
+}
+
+function f33() {
+  {
+    let x = 'outer';
+    L: {
+      {
+        let x = 'inner';
+        if (c) {
+          break L;
+        }
+        foo();
+      }
+    }
+  }
+
+  function foo() {
+    return 'bar';
+  }
+}
+
+function TestThrow() {
+  function f() {
+    let x = 'outer';
+    {
+      let x = 'inner';
+      throw x;
+    }
+  }
+  for (var i = 0; i < 5; i++) {
+    try {
+      f();
+    } catch (e) {
+      assertEquals('inner', e);
+    }
+  }
+  %OptimizeFunctionOnNextCall(f);
+  try {
+    f();
+  } catch (e) {
+    assertEquals('inner', e);
+  }
+  assertOptimized(f);
+}
+
+TestThrow();
+
+// Test that temporal dead zone semantics for function and block scoped
+// let bindings are handled by the optimizing compiler.
+
+function TestFunctionLocal(s) {
+  'use strict';
+  var func = eval("(function baz(){" + s + "; })");
+  print("Testing:");
+  print(func);
+  for (var i = 0; i < 5; ++i) {
+    try {
+      func();
+      assertUnreachable();
+    } catch (e) {
+      assertInstanceof(e, ReferenceError);
+    }
+  }
+  %OptimizeFunctionOnNextCall(func);
+  try {
+    func();
+    assertUnreachable();
+  } catch (e) {
+    assertInstanceof(e, ReferenceError);
+  }
+}
+
+function TestFunctionContext(s) {
+  'use strict';
+  var func = eval("(function baz(){ " + s + "; (function() { x; }); })");
+  print("Testing:");
+  print(func);
+  for (var i = 0; i < 5; ++i) {
+    print(i);
+    try {
+      func();
+      assertUnreachable();
+    } catch (e) {
+      assertInstanceof(e, ReferenceError);
+    }
+  }
+  print("optimize");
+  %OptimizeFunctionOnNextCall(func);
+  try {
+    print("call");
+    func();
+    assertUnreachable();
+  } catch (e) {
+    print("catch");
+    assertInstanceof(e, ReferenceError);
+  }
+}
+
+function TestBlockLocal(s) {
+  'use strict';
+  var func = eval("(function baz(){ { " + s + "; } })");
+  print("Testing:");
+  print(func);
+  for (var i = 0; i < 5; ++i) {
+    try {
+      func();
+      assertUnreachable();
+    } catch (e) {
+      assertInstanceof(e, ReferenceError);
+    }
+  }
+  %OptimizeFunctionOnNextCall(func);
+  try {
+    func();
+    assertUnreachable();
+  } catch (e) {
+    assertInstanceof(e, ReferenceError);
+  }
+}
+
+function TestBlockContext(s) {
+  'use strict';
+  var func = eval("(function baz(){ { " + s + "; (function() { x; }); } })");
+  print("Testing:");
+  print(func);
+  for (var i = 0; i < 5; ++i) {
+    print(i);
+    try {
+      func();
+      assertUnreachable();
+    } catch (e) {
+      assertInstanceof(e, ReferenceError);
+    }
+  }
+  print("optimize");
+  %OptimizeFunctionOnNextCall(func);
+  try {
+    print("call");
+    func();
+    assertUnreachable();
+  } catch (e) {
+    print("catch");
+    assertInstanceof(e, ReferenceError);
+  }
+}
+
+function TestAll(s) {
+  TestFunctionLocal(s);
+  TestFunctionContext(s);
+  TestBlockLocal(s);
+  TestBlockContext(s);
+}
+
+// Use before initialization in declaration statement.
+TestAll('let x = x + 1');
+TestAll('let x = x += 1');
+TestAll('let x = x++');
+TestAll('let x = ++x');
+TestAll('const x = x + 1');
+
+// Use before initialization in prior statement.
+TestAll('x + 1; let x;');
+TestAll('x = 1; let x;');
+TestAll('x += 1; let x;');
+TestAll('++x; let x;');
+TestAll('x++; let x;');
+TestAll('let y = x; const x = 1;');
+
+
+function f(x) {
+  let y = x + 42;
+  return y;
+}
+
+function g(x) {
+  {
+    let y = x + 42;
+    return y;
+  }
+}
+
+for (var i=0; i<10; i++) {
+  f(i);
+  g(i);
+}
+
+%OptimizeFunctionOnNextCall(f);
+%OptimizeFunctionOnNextCall(g);
+
+f(12);
+g(12);
+
+assertTrue(%GetOptimizationStatus(f) != 2);
+assertTrue(%GetOptimizationStatus(g) != 2);