Add support for extended constant pool arrays.

src/heap.h

Index: src/heap.h
diff --git a/src/heap.h b/src/heap.h
index 979b41e77ca1ea2bb8a8c3b9009ca8cfe41b68f8..23678d3537c1f0a8136f3e430538b2ecfbcad6be 100644
--- a/src/heap.h
+++ b/src/heap.h
@@ -1869,6 +1869,16 @@ class Heap {
       int number_of_heap_ptr_entries,
       int number_of_int32_entries);
 
+  MUST_USE_RESULT AllocationResult AllocateExtendedConstantPoolArray(
+      int small_section_int64_entries,
+      int small_section_code_ptr_entries,
+      int small_section_heap_ptr_entries,
+      int small_section_int32_entries,
+      int extended_section_int64_entries,
+      int extended_section_code_ptr_entries,
+      int extended_section_heap_ptr_entries,
+      int extended_section_int32_entries);
+
   // Allocates an external array of the specified length and type.
   MUST_USE_RESULT AllocationResult AllocateExternalArray(
       int length,