1 files changed, 16 insertions, 2 deletions
diff --git a/src/wasm.h b/src/wasm.h
index 7e692bb96..baea1fabe 100644
--- a/src/wasm.h
+++ b/src/wasm.h
@@ -640,6 +640,7 @@ public:
     ArrayGetId,
     ArraySetId,
     ArrayLenId,
+    ArrayCopyId,
     RefAsId,
     NumExpressionIds
   };
@@ -1445,12 +1446,12 @@ class ArrayNew : public SpecificExpression<Expression::ArrayNewId> {
 public:
   ArrayNew(MixedArena& allocator) {}
 
-  Expression* rtt;
-  Expression* size;
   // If set, then the initial value is assigned to all entries in the array. If
   // not set, this is array.new_with_default and the default of the type is
   // used.
   Expression* init = nullptr;
+  Expression* size;
+  Expression* rtt;
 
   bool isWithDefault() { return !init; }
 
@@ -1489,6 +1490,19 @@ public:
   void finalize();
 };
 
+class ArrayCopy : public SpecificExpression<Expression::ArrayCopyId> {
+public:
+  ArrayCopy(MixedArena& allocator) {}
+
+  Expression* destRef;
+  Expression* destIndex;
+  Expression* srcRef;
+  Expression* srcIndex;
+  Expression* length;
+
+  void finalize();
+};
+
 class RefAs : public SpecificExpression<Expression::RefAsId> {
 public:
   RefAs(MixedArena& allocator) {}