Bring r5483 "Fix direct loading of global function prototypes" to 2.2.

test/cctest/test-api.cc

 // Copyright 2007-2009 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
@@ skipping 11166 matching lines @@
 
   ExpectString("str2.substring(2, 10);", "elspenda");
 
   ExpectString("str2.substring(2, 20);", "elspendabelabelspe");
 
   ExpectString("str2.charAt(2);", "e");
 
   reresult = CompileRun("str2.charCodeAt(2);");
   CHECK_EQ(static_cast<int32_t>('e'), reresult->Int32Value());
 }
+
+
+TEST(StringCheckMultipleContexts) {
+  const char* code =
+      "(function() { return \"a\".charAt(0); })()";
+
+  {
+    // Run the code twice in the first context to initialize the call IC.
+    v8::HandleScope scope;
+    LocalContext context1;
+    ExpectString(code, "a");
+    ExpectString(code, "a");
+  }
+
+  {
+    // Change the String.prototype in the second context and check
+    // that the right function gets called.
+    v8::HandleScope scope;
+    LocalContext context2;
+    CompileRun("String.prototype.charAt = function() { return \"not a\"; }");
+    ExpectString(code, "not a");
+  }
+}
+
+
+TEST(NumberCheckMultipleContexts) {
+  const char* code =
+      "(function() { return (42).toString(); })()";
+
+  {
+    // Run the code twice in the first context to initialize the call IC.
+    v8::HandleScope scope;
+    LocalContext context1;
+    ExpectString(code, "42");
+    ExpectString(code, "42");
+  }
+
+  {
+    // Change the Number.prototype in the second context and check
+    // that the right function gets called.
+    v8::HandleScope scope;
+    LocalContext context2;
+    CompileRun("Number.prototype.toString = function() { return \"not 42\"; }");
+    ExpectString(code, "not 42");
+  }
+}
+
+
+TEST(BooleanCheckMultipleContexts) {
+  const char* code =
+      "(function() { return true.toString(); })()";
+
+  {
+    // Run the code twice in the first context to initialize the call IC.
+    v8::HandleScope scope;
+    LocalContext context1;
+    ExpectString(code, "true");
+    ExpectString(code, "true");
+  }
+
+  {
+    // Change the Boolean.prototype in the second context and check
+    // that the right function gets called.
+    v8::HandleScope scope;
+    LocalContext context2;
+    CompileRun("Boolean.prototype.toString = function() { return \"\"; }");
+    ExpectString(code, "");
+  }
+}