[Interpreter] Adds support for rest parameters to interpreter.

test/cctest/interpreter/test-interpreter.cc

Index: test/cctest/interpreter/test-interpreter.cc
diff --git a/test/cctest/interpreter/test-interpreter.cc b/test/cctest/interpreter/test-interpreter.cc
index d3c031f740a2807f92e6a6e4bf11bc8222692def..94648f53f48b584d96946a39db6efca7fbb025b6 100644
--- a/test/cctest/interpreter/test-interpreter.cc
+++ b/test/cctest/interpreter/test-interpreter.cc
@@ -2297,6 +2297,15 @@ TEST(InterpreterCreateArguments) {
       std::make_pair("function f(a, b, c, d) {"
                      "  'use strict'; c = b; return arguments[2]; }",
                      2),
+      // check rest parameters
+      std::make_pair("function f(...restArray) { return restArray[0]; }", 0),
+      std::make_pair("function f(a, ...restArray) { return restArray[0]; }", 1),
+      std::make_pair("function f(a, ...restArray) { return arguments[0]; }", 0),
+      std::make_pair("function f(a, ...restArray) { return arguments[1]; }", 1),
+      std::make_pair("function f(a, ...restArray) { return restArray[1]; }", 2),
+      std::make_pair("function f(a, ...arguments) { return arguments[0]; }", 1),
+      std::make_pair("function f(a, b, ...restArray) { return restArray[0]; }",
+                     2),
   };
 
   // Test passing no arguments.