Make elements_kind map transition test conditional on smi element support

test/mjsunit/element-kind.js

Index: test/mjsunit/element-kind.js
diff --git a/test/mjsunit/element-kind.js b/test/mjsunit/element-kind.js
index cc95f460016c6ccca2f31775e49cab376c32d98d..46fd8f567d48f536661a2df63a5bdae3393dca74 100644
--- a/test/mjsunit/element-kind.js
+++ b/test/mjsunit/element-kind.js
@@ -209,49 +209,53 @@ crankshaft_test();
 // A map can have three different elements_kind transitions: SMI->DOUBLE,
 // DOUBLE->OBJECT, and SMI->OBJECT. No matter in which order these three are
 // created, they must always end up with the same FAST map.
-// Preparation: create one pair of identical objects for each case.
-var a = [1, 2, 3];
-var b = [1, 2, 3];
-assertTrue(%HaveSameMap(a, b));
-assertKind(element_kind.fast_smi_only_elements, a);
-var c = [1, 2, 3];
-c["case2"] = true;
-var d = [1, 2, 3];
-d["case2"] = true;
-assertTrue(%HaveSameMap(c, d));
-assertFalse(%HaveSameMap(a, c));
-assertKind(element_kind.fast_smi_only_elements, c);
-var e = [1, 2, 3];
-e["case3"] = true;
-var f = [1, 2, 3];
-f["case3"] = true;
-assertTrue(%HaveSameMap(e, f));
-assertFalse(%HaveSameMap(a, e));
-assertFalse(%HaveSameMap(c, e));
-assertKind(element_kind.fast_smi_only_elements, e);
-// Case 1: SMI->DOUBLE, DOUBLE->OBJECT, SMI->OBJECT.
-a[0] = 1.5;
-assertKind(element_kind.fast_double_elements, a);
-a[0] = "foo";
-assertKind(element_kind.fast_elements, a);
-b[0] = "bar";
-assertTrue(%HaveSameMap(a, b));
-// Case 2: SMI->DOUBLE, SMI->OBJECT, DOUBLE->OBJECT.
-c[0] = 1.5;
-assertKind(element_kind.fast_double_elements, c);
-assertFalse(%HaveSameMap(c, d));
-d[0] = "foo";
-assertKind(element_kind.fast_elements, d);
-assertFalse(%HaveSameMap(c, d));
-c[0] = "bar";
-assertTrue(%HaveSameMap(c, d));
-// Case 3: SMI->OBJECT, SMI->DOUBLE, DOUBLE->OBJECT.
-e[0] = "foo";
-assertKind(element_kind.fast_elements, e);
-assertFalse(%HaveSameMap(e, f));
-f[0] = 1.5;
-assertKind(element_kind.fast_double_elements, f);
-assertFalse(%HaveSameMap(e, f));
-f[0] = "bar";
-assertKind(element_kind.fast_elements, f);
-assertTrue(%HaveSameMap(e, f));
+
+// This test is meaningless without FAST_SMI_ONLY_ELEMENTS.
+if (support_smi_only_arrays) {
+  // Preparation: create one pair of identical objects for each case.
+  var a = [1, 2, 3];
+  var b = [1, 2, 3];
+  assertTrue(%HaveSameMap(a, b));
+  assertKind(element_kind.fast_smi_only_elements, a);
+  var c = [1, 2, 3];
+  c["case2"] = true;
+  var d = [1, 2, 3];
+  d["case2"] = true;
+  assertTrue(%HaveSameMap(c, d));
+  assertFalse(%HaveSameMap(a, c));
+  assertKind(element_kind.fast_smi_only_elements, c);
+  var e = [1, 2, 3];
+  e["case3"] = true;
+  var f = [1, 2, 3];
+  f["case3"] = true;
+  assertTrue(%HaveSameMap(e, f));
+  assertFalse(%HaveSameMap(a, e));
+  assertFalse(%HaveSameMap(c, e));
+  assertKind(element_kind.fast_smi_only_elements, e);
+  // Case 1: SMI->DOUBLE, DOUBLE->OBJECT, SMI->OBJECT.
+  a[0] = 1.5;
+  assertKind(element_kind.fast_double_elements, a);
+  a[0] = "foo";
+  assertKind(element_kind.fast_elements, a);
+  b[0] = "bar";
+  assertTrue(%HaveSameMap(a, b));
+  // Case 2: SMI->DOUBLE, SMI->OBJECT, DOUBLE->OBJECT.
+  c[0] = 1.5;
+  assertKind(element_kind.fast_double_elements, c);
+  assertFalse(%HaveSameMap(c, d));
+  d[0] = "foo";
+  assertKind(element_kind.fast_elements, d);
+  assertFalse(%HaveSameMap(c, d));
+  c[0] = "bar";
+  assertTrue(%HaveSameMap(c, d));
+  // Case 3: SMI->OBJECT, SMI->DOUBLE, DOUBLE->OBJECT.
+  e[0] = "foo";
+  assertKind(element_kind.fast_elements, e);
+  assertFalse(%HaveSameMap(e, f));
+  f[0] = 1.5;
+  assertKind(element_kind.fast_double_elements, f);
+  assertFalse(%HaveSameMap(e, f));
+  f[0] = "bar";
+  assertKind(element_kind.fast_elements, f);
+  assertTrue(%HaveSameMap(e, f));
+}