[runtime] Move binary operator fallbacks into the runtime.

test/mjsunit/stack-traces-2.js

Index: test/mjsunit/stack-traces-2.js
diff --git a/test/mjsunit/stack-traces-2.js b/test/mjsunit/stack-traces-2.js
index 3bec9637013559fb91e88f41e7e0a8a82cb999b3..a54bb45ff5e82b3944159ea5710c41cc89a6e95e 100644
--- a/test/mjsunit/stack-traces-2.js
+++ b/test/mjsunit/stack-traces-2.js
@@ -82,6 +82,3 @@ testTraceNativeConstructor(Date);    // Does ToNumber on argument.
 testNotOmittedBuiltin(function(){ [thrower, 2].sort(function (a,b) {
                                                      (b < a) - (a < b); });
                       }, "QuickSort");
-
-// Not omitted even though ADD from runtime.js is a non-native builtin.
-testNotOmittedBuiltin(function(){ thrower + 2; }, "ADD");