[interpreter, debugger] support debug breaks via bytecode array copy

src/heap/heap.h

Index: src/heap/heap.h
diff --git a/src/heap/heap.h b/src/heap/heap.h
index 3f2f3f80d07a6332da5e4b8ff5058a1f3d63a48a..dbc69b8b4d8c576655748ab52d371c5ce4898f2e 100644
--- a/src/heap/heap.h
+++ b/src/heap/heap.h
@@ -1786,6 +1786,9 @@ class Heap {
 
   MUST_USE_RESULT AllocationResult CopyCode(Code* code);
 
+  MUST_USE_RESULT AllocationResult
+  CopyBytecodeArray(BytecodeArray* bytecode_array);
+
   // Allocates a fixed array initialized with undefined values
   MUST_USE_RESULT AllocationResult
   AllocateFixedArray(int length, PretenureFlag pretenure = NOT_TENURED);