[interpreter] Ensure --debug-code works with snapshots.

src/interpreter/interpreter.h

Index: src/interpreter/interpreter.h
diff --git a/src/interpreter/interpreter.h b/src/interpreter/interpreter.h
index 85e99dc3a0a498642dc3467111060629ddb26b8f..31d4e05d407ffe46395c19e2f096a114d49ec5c6 100644
--- a/src/interpreter/interpreter.h
+++ b/src/interpreter/interpreter.h
@@ -175,6 +175,7 @@ class Interpreter {
                                       OperandScale operand_scale);
 
   bool IsDispatchTableInitialized();
+  bool ShouldInitializeDispatchTable();
 
   static const int kNumberOfWideVariants = 3;
   static const int kDispatchTableSize = kNumberOfWideVariants * (kMaxUInt8 + 1);