[runtime] Support Proxy setPrototypeOf trap

test/cctest/compiler/test-run-bytecode-graph-builder.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // TODO(jochen): Remove this after the setting is turned on globally.
 #define V8_IMMINENT_DEPRECATION_WARNINGS
 
 #include <utility>
 
 #include "src/compiler/pipeline.h"
@@ skipping 302 matching lines @@
         BytecodeGraphTester::NewObject("({name : 'abc'})")}},
       {"'use strict'; return p1.val;",
        {factory->NewNumberFromInt(10),
         BytecodeGraphTester::NewObject("({val : 10 })")}},
       {"'use strict'; return p1[\"val\"];",
        {factory->NewNumberFromInt(10),
         BytecodeGraphTester::NewObject("({val : 10, name : 'abc'})")}},
       {"var b;\n" REPEAT_127(SPACE, " b = p1.name; ") " return p1.name;\n",
        {factory->NewStringFromStaticChars("abc"),
         BytecodeGraphTester::NewObject("({name : 'abc'})")}},
-      {"'use strict'; var b;\n"
-       REPEAT_127(SPACE, " b = p1.name; ")
-       "return p1.name;\n",
+      {"'use strict'; var b;\n" REPEAT_127(
+           SPACE, " b = p1.name; ") "return p1.name;\n",
        {factory->NewStringFromStaticChars("abc"),
         BytecodeGraphTester::NewObject("({ name : 'abc'})")}},
   };
 
   size_t num_snippets = sizeof(snippets) / sizeof(snippets[0]);
   for (size_t i = 0; i < num_snippets; i++) {
     ScopedVector<char> script(2048);
     SNPrintF(script, "function %s(p1) { %s };\n%s(0);", kFunctionName,
              snippets[i].code_snippet, kFunctionName);
 
@@ skipping 611 matching lines @@
 }
 
 
 TEST(BytecodeGraphBuilderTestInstanceOf) {
   // TODO(mythria): Add tests when CreateLiterals/CreateClousre are supported.
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8