Revert of [runtime] Introduce dedicated JSBoundFunction to represent bound functions.

test/mjsunit/regress/regress-1229.js

+// Copyright 2012 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
+
+// Check that %NewObjectFromBound works correctly when called from optimized
+// frame.
+function foo1(x, y, z) {
+  assertEquals(1, x);
+  assertEquals(2, y);
+  assertEquals(3, z);
+}
+
+function foo2(x, y, z) {
+  assertEquals(1, x);
+  assertEquals(2, y);
+  assertEquals(undefined, z);
+}
+
+function foo3(x, y, z) {
+  assertEquals(1, x);
+  assertEquals(2, y);
+  assertEquals(3, z);
+}
+
+
+var foob1 = foo1.bind({}, 1);
+var foob2 = foo2.bind({}, 1);
+var foob3 = foo3.bind({}, 1);
+
+
+function f1(y, z) {
+  return %NewObjectFromBound(foob1);
+}
+
+function f2(y, z) {
+  return %NewObjectFromBound(foob2);
+}
+
+function f3(y, z) {
+  return %NewObjectFromBound(foob3);
+}
+
+// Check that %NewObjectFromBound looks at correct frame for inlined function.
+function g1(z, y) {
+  return f1(y, z); /* f should be inlined into g, note rotated arguments */
+}
+
+function g2(z, y, x) {
+  return f2(y); /* f should be inlined into g, note argument count mismatch */
+}
+
+function g3(z, y, x) {
+  return f3(x, y, z); /* f should be inlined into g, note argument count mismatch */
+}
+
+// Check that %NewObjectFromBound looks at correct frame for inlined function.
+function ff(x) { }
+function h1(z2, y2) {
+  var local_z = z2 >> 1;
+  ff(local_z);
+  var local_y = y2 >> 1;
+  ff(local_y);
+  return f1(local_y, local_z); /* f should be inlined into h */
+}
+
+function h2(z2, y2, x2) {
+  var local_z = z2 >> 1;
+  ff(local_z);
+  var local_y = y2 >> 1;
+  ff(local_y);
+  return f2(local_y); /* f should be inlined into h */
+}
+
+function h3(z2, y2, x2) {
+  var local_z = z2 >> 1;
+  ff(local_z);
+  var local_y = y2 >> 1;
+  ff(local_y);
+  var local_x = x2 >> 1;
+  ff(local_x);
+  return f3(local_x, local_y, local_z); /* f should be inlined into h */
+}
+
+
+function invoke(f, args) {
+  for (var i = 0; i < 5; i++) f.apply(this, args);
+  %OptimizeFunctionOnNextCall(f);
+  f.apply(this, args);
+}
+
+invoke(f1, [2, 3]);
+invoke(f2, [2]);
+invoke(f3, [2, 3, 4]);
+invoke(g1, [3, 2]);
+invoke(g2, [3, 2, 4]);
+invoke(g3, [4, 3, 2]);
+invoke(h1, [6, 4]);
+invoke(h2, [6, 4, 8]);
+invoke(h3, [8, 6, 4]);
+
+// Check that new.target returns correct value when inlined
+var NON_CONSTRUCT_MARKER = {};
+var CONSTRUCT_MARKER = {};
+function baz(x) {
+  return (new.target === undefined) ? NON_CONSTRUCT_MARKER : CONSTRUCT_MARKER;
+}
+
+function bar(x, y, z) {
+  var non_construct = baz(0); /* baz should be inlined */
+  assertSame(non_construct, NON_CONSTRUCT_MARKER);
+  var non_construct = baz(); /* baz should be inlined */
+  assertSame(non_construct, NON_CONSTRUCT_MARKER);
+  var non_construct = baz(0, 0); /* baz should be inlined */
+  assertSame(non_construct, NON_CONSTRUCT_MARKER);
+  var construct = new baz(0);
+  assertSame(construct, CONSTRUCT_MARKER);
+  var construct = new baz(0, 0);
+  assertSame(construct, CONSTRUCT_MARKER);
+}
+
+invoke(bar, [1, 2, 3]);