[csa] Allow passing VariableList to BuildFastFixedArrayForEach

src/code-stub-assembler.h

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_CODE_STUB_ASSEMBLER_H_
 #define V8_CODE_STUB_ASSEMBLER_H_
 
 #include <functional>
 
 #include "src/compiler/code-assembler.h"
@@ skipping 1073 matching lines @@
     BuildFastLoop(VariableList(0, zone()), index_rep, start_index, end_index,
                   body, increment, mode);
   }
 
   enum class ForEachDirection { kForward, kReverse };
 
   typedef std::function<void(Node* fixed_array, Node* offset)>
       FastFixedArrayForEachBody;
 
   void BuildFastFixedArrayForEach(
+      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);
+      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);
   }
 
   Node* GetFixedArrayAllocationSize(Node* element_count, ElementsKind kind,
                                     ParameterMode mode) {
     return GetArrayAllocationSize(element_count, kind, mode,
                                   FixedArray::kHeaderSize);
@@ skipping 196 matching lines @@
   }
 #else
 #define CSA_SLOW_ASSERT(csa, x) ((void)0)
 #endif
 
 DEFINE_OPERATORS_FOR_FLAGS(CodeStubAssembler::AllocationFlags);
 
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_CODE_STUB_ASSEMBLER_H_