Avoid using a register for constant external array indices.

test/cctest/test-api.cc

Index: test/cctest/test-api.cc
diff --git a/test/cctest/test-api.cc b/test/cctest/test-api.cc
index a228a6f4999b6d02748aaac768944aaf10213f2c..0be7a01b7898d680cba9559b9523a4d362edf9f2 100644
--- a/test/cctest/test-api.cc
+++ b/test/cctest/test-api.cc
@@ -11643,35 +11643,6 @@ static void ExternalArrayTestHelper(v8::ExternalArrayType array_type,
     CHECK_EQ(true, result->BooleanValue());
   }
 
-  // Test crankshaft external array loads
-  for (int i = 0; i < kElementCount; i++) {
-    array->set(i, static_cast<ElementType>(i));
-  }
-  result = CompileRun("function ee_load_test_func(sum) {"
-                      " for (var i = 0; i < 40; ++i)"
-                      "   sum += ext_array[i];"
-                      " return sum;"
-                      "}"
-                      "sum=0;"
-                      "for (var i=0;i<10000;++i) {"
-                      "  sum=ee_load_test_func(sum);"
-                      "}"
-                      "sum;");
-  CHECK_EQ(7800000, result->Int32Value());
-
-  // Test crankshaft external array stores
-  result = CompileRun("function ee_store_test_func(sum) {"
-                      " for (var i = 0; i < 40; ++i)"
-                      "   sum += ext_array[i] = i;"
-                      " return sum;"
-                      "}"
-                      "sum=0;"
-                      "for (var i=0;i<10000;++i) {"
-                      "  sum=ee_store_test_func(sum);"
-                      "}"
-                      "sum;");
-  CHECK_EQ(7800000, result->Int32Value());
-
   for (int i = 0; i < kElementCount; i++) {
     array->set(i, static_cast<ElementType>(i));
   }