Basic support for tracking smi-only arrays on ia32.

test/cctest/test-heap.cc

Index: test/cctest/test-heap.cc
diff --git a/test/cctest/test-heap.cc b/test/cctest/test-heap.cc
index 11b8813063c06bb05c94b39b59c9fc23e28da6de..88557ce2682274901eff3011709d98ee912bd843 100644
--- a/test/cctest/test-heap.cc
+++ b/test/cctest/test-heap.cc
@@ -1,4 +1,4 @@
-// Copyright 2006-2008 the V8 project authors. All rights reserved.
+// Copyright 2011 the V8 project authors. All rights reserved.
 
 #include <stdlib.h>
 
@@ -672,7 +672,8 @@ TEST(JSArray) {
   // Set array length to 0.
   ok = array->SetElementsLength(Smi::FromInt(0))->ToObjectChecked();
   CHECK_EQ(Smi::FromInt(0), array->length());
-  CHECK(array->HasFastElements());  // Must be in fast mode.
+  // Must be in fast mode.
+  CHECK(array->HasFastElements() || array->HasFastSmiOnlyElements());

[Sven Panne, 2011/09/16 09:19:32]

This disjunction occurs quite frequently, perhaps introduce a separate HasFoo()
predicate for it?

[danno, 2011/09/21 14:32:04]

Done.

 
   // array[length] = name.
   ok = array->SetElement(0, *name, kNonStrictMode, true)->ToObjectChecked();