Supporting AllocationSiteInfo for Nested arrays

src/ia32/code-stubs-ia32.cc

Index: src/ia32/code-stubs-ia32.cc
diff --git a/src/ia32/code-stubs-ia32.cc b/src/ia32/code-stubs-ia32.cc
index 88207c490777d3b3d0eaffd5a8e96c8b01987dda..b274449ce1de4294d7e6a3d30800cd39122ca6c4 100644
--- a/src/ia32/code-stubs-ia32.cc
+++ b/src/ia32/code-stubs-ia32.cc
@@ -540,7 +540,15 @@ void FastCloneShallowArrayStub::Generate(MacroAssembler* masm) {
   __ ret(3 * kPointerSize);
 
   __ bind(&slow_case);
-  __ TailCallRuntime(Runtime::kCreateArrayLiteralShallow, 3, 1);
+
+  // Add a flags argument, carefully preserving the return address on the stack.
+  int flags = allocation_site_mode_ == TRACK_ALLOCATION_SITE
+      ? ArrayLiteral::kCreateAllocationSiteInfos
+      : ArrayLiteral::kNoFlags;
+  __ pop(ecx);
+  __ push(Immediate(Smi::FromInt(flags)));
+  __ push(ecx);
+  __ TailCallRuntime(Runtime::kCreateArrayLiteralShallow, 4, 1);
 }