[csa] Allow passing VariableList to BuildFastFixedArrayForEach

Review-Url: https://codereview.chromium.org/2655023009
Cr-Commit-Position: refs/heads/master@{#42773}

src/code-stub-assembler.cc

@@ -6290,7 +6290,8 @@ void CodeStubAssembler::BuildFastLoop(
 }
 
 void CodeStubAssembler::BuildFastFixedArrayForEach(
-    Node* fixed_array, ElementsKind kind, Node* first_element_inclusive,
+    const CodeStubAssembler::VariableList& vars, Node* fixed_array,
+    ElementsKind kind, Node* first_element_inclusive,
     Node* last_element_exclusive, const FastFixedArrayForEachBody& body,
     ParameterMode mode, ForEachDirection direction) {
   STATIC_ASSERT(FixedArray::kHeaderSize == FixedDoubleArray::kHeaderSize);
@@ -6333,7 +6334,7 @@ void CodeStubAssembler::BuildFastFixedArrayForEach(
 
   int increment = IsFastDoubleElementsKind(kind) ? kDoubleSize : kPointerSize;
   BuildFastLoop(
-      MachineType::PointerRepresentation(), start, limit,
+      vars, MachineType::PointerRepresentation(), start, limit,
       [fixed_array, &body](Node* offset) { body(fixed_array, offset); },
       direction == ForEachDirection::kReverse ? -increment : increment,
       direction == ForEachDirection::kReverse ? IndexAdvanceMode::kPre

src/code-stub-assembler.h

@@ -1093,11 +1093,22 @@ class V8_EXPORT_PRIVATE CodeStubAssembler : public compiler::CodeAssembler {
       FastFixedArrayForEachBody;
 
   void BuildFastFixedArrayForEach(
-      Node* fixed_array, ElementsKind kind, Node* first_element_inclusive,
+      const CodeStubAssembler::VariableList& vars, Node* fixed_array,
+      ElementsKind kind, Node* first_element_inclusive,
       Node* last_element_exclusive, const FastFixedArrayForEachBody& body,
       ParameterMode mode = INTPTR_PARAMETERS,
       ForEachDirection direction = ForEachDirection::kReverse);
 
+  void BuildFastFixedArrayForEach(
+      Node* fixed_array, ElementsKind kind, Node* first_element_inclusive,
+      Node* last_element_exclusive, const FastFixedArrayForEachBody& body,
+      ParameterMode mode = INTPTR_PARAMETERS,
+      ForEachDirection direction = ForEachDirection::kReverse) {
+    CodeStubAssembler::VariableList list(0, zone());
+    BuildFastFixedArrayForEach(list, fixed_array, kind, first_element_inclusive,
+                               last_element_exclusive, body, mode, direction);
+  }
+
   Node* GetArrayAllocationSize(Node* element_count, ElementsKind kind,
                                ParameterMode mode, int header_size) {
     return ElementOffsetFromIndex(element_count, kind, mode, header_size);