Support %_CallFunction in optimized code.

test/mjsunit/regress/regress-apply-to-arguments.js

Index: test/mjsunit/regress/regress-apply-to-arguments.js
diff --git a/test/mjsunit/regress/regress-apply-to-arguments.js b/test/mjsunit/regress/regress-apply-to-arguments.js
new file mode 100644
index 0000000000000000000000000000000000000000..c15ce33dea78fc789e131fc6527b2cd305de7910
--- /dev/null
+++ b/test/mjsunit/regress/regress-apply-to-arguments.js
@@ -0,0 +1,54 @@
+// 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
+
+// Test against a context bug (failure to restore to the fixed context
+// register) in the crankshaft-optimized Function.prototype.apply.
+
+function f(x) {
+  var name = 'f';
+  var inner = function () { return name; };
+  return inner;
+}
+
+function g() {
+  // 'name' is intentionally not initialized. GVN would share an early use
+  // of the correct context value, preventing us from observing the bug.
+  var name;
+  var inner = function () { return name; };
+  f.apply(null, arguments);
+  // We should not have f's context in the context register here.
+  name = 'g';
+  return [inner, f()];
+}
+
+for (var i = 0; i < 5; ++i) g(1);
+%OptimizeFunctionOnNextCall(g);
+var arr = g(1);
+assertEquals('g', arr[0]());
+assertEquals('f', arr[1]());