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 2c6b0a5f3df33e6e9c629cef11ad0b3e8332280d..5669bb9d1dd8b6b4ff7bac357a298f3b89d41cf5 100644
--- a/src/ia32/code-stubs-ia32.cc
+++ b/src/ia32/code-stubs-ia32.cc
@@ -405,14 +405,15 @@ static void GenerateFastCloneShallowArrayCommon(
 void FastCloneShallowArrayStub::Generate(MacroAssembler* masm) {
   // Stack layout on entry:
   //
-  // [esp + kPointerSize]: constant elements.
-  // [esp + (2 * kPointerSize)]: literal index.
-  // [esp + (3 * kPointerSize)]: literals array.
+  // [esp + kPointerSize]: flags (ignored)
+  // [esp + (2 * kPointerSize)]: constant elements.
+  // [esp + (3 * kPointerSize)]: literal index.
+  // [esp + (4 * kPointerSize)]: literals array.
 
   // Load boilerplate object into ecx and check if we need to create a
   // boilerplate.
-  __ mov(ecx, Operand(esp, 3 * kPointerSize));
-  __ mov(eax, Operand(esp, 2 * kPointerSize));
+  __ mov(ecx, Operand(esp, 4 * kPointerSize));
+  __ mov(eax, Operand(esp, 3 * kPointerSize));
   STATIC_ASSERT(kPointerSize == 4);
   STATIC_ASSERT(kSmiTagSize == 1);
   STATIC_ASSERT(kSmiTag == 0);
@@ -433,7 +434,7 @@ void FastCloneShallowArrayStub::Generate(MacroAssembler* masm) {
     GenerateFastCloneShallowArrayCommon(masm, 0, COPY_ON_WRITE_ELEMENTS,
                                         allocation_site_mode_,
                                         &slow_case);
-    __ ret(3 * kPointerSize);
+    __ ret(4 * kPointerSize);
 
     __ bind(&check_fast_elements);
     __ CheckMap(ebx, factory->fixed_array_map(),
@@ -441,7 +442,7 @@ void FastCloneShallowArrayStub::Generate(MacroAssembler* masm) {
     GenerateFastCloneShallowArrayCommon(masm, length_, CLONE_ELEMENTS,
                                         allocation_site_mode_,
                                         &slow_case);
-    __ ret(3 * kPointerSize);
+    __ ret(4 * kPointerSize);
 
     __ bind(&double_elements);
     mode = CLONE_DOUBLE_ELEMENTS;
@@ -474,10 +475,10 @@ void FastCloneShallowArrayStub::Generate(MacroAssembler* masm) {
                                       &slow_case);
 
   // Return and remove the on-stack parameters.
-  __ ret(3 * kPointerSize);
+  __ ret(4 * kPointerSize);
 
   __ bind(&slow_case);
-  __ TailCallRuntime(Runtime::kCreateArrayLiteralShallow, 3, 1);
+  __ TailCallRuntime(Runtime::kCreateArrayLiteralShallow, 4, 1);
 }