Add ia32 FastCloneShallowArrayStub that copies all boilerplate kinds.

src/ia32/full-codegen-ia32.cc

Index: src/ia32/full-codegen-ia32.cc
diff --git a/src/ia32/full-codegen-ia32.cc b/src/ia32/full-codegen-ia32.cc
index 74616d0756cb9321adf6b7c420f053108250f71c..41d7c46888e4a329d0a32ff51f0c2711e66567e8 100644
--- a/src/ia32/full-codegen-ia32.cc
+++ b/src/ia32/full-codegen-ia32.cc
@@ -1486,14 +1486,7 @@ void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) {
   __ push(FieldOperand(ebx, JSFunction::kLiteralsOffset));
   __ push(Immediate(Smi::FromInt(expr->literal_index())));
   __ push(Immediate(constant_elements));
-  if (constant_elements_values->map() ==
-      isolate()->heap()->fixed_cow_array_map()) {
-    ASSERT(expr->depth() == 1);
-    FastCloneShallowArrayStub stub(
-        FastCloneShallowArrayStub::COPY_ON_WRITE_ELEMENTS, length);
-    __ CallStub(&stub);
-    __ IncrementCounter(isolate()->counters()->cow_arrays_created_stub(), 1);

[Jakob Kummerow, 2011/11/17 12:31:36]

This line got lost in the refactoring. Care to put it back in?

[danno, 2011/11/17 13:51:23]

Done.

-  } else if (expr->depth() > 1) {
+  if (expr->depth() > 1) {
     __ CallRuntime(Runtime::kCreateArrayLiteral, 3);
   } else if (length > FastCloneShallowArrayStub::kMaximumClonedLength) {
     __ CallRuntime(Runtime::kCreateArrayLiteralShallow, 3);
@@ -1501,11 +1494,8 @@ void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) {
     ASSERT(constant_elements_kind == FAST_ELEMENTS ||
            constant_elements_kind == FAST_SMI_ONLY_ELEMENTS ||
            FLAG_smi_only_arrays);
-    FastCloneShallowArrayStub::Mode mode =
-        constant_elements_kind == FAST_DOUBLE_ELEMENTS
-        ? FastCloneShallowArrayStub::CLONE_DOUBLE_ELEMENTS
-        : FastCloneShallowArrayStub::CLONE_ELEMENTS;
-    FastCloneShallowArrayStub stub(mode, length);
+    FastCloneShallowArrayStub stub(
+        FastCloneShallowArrayStub::CLONE_ANY_ELEMENTS, length);
     __ CallStub(&stub);
   }