1 files changed, 20 insertions, 1 deletions
diff --git a/src/wasm/wasm-binary.cpp b/src/wasm/wasm-binary.cpp
index 8108027d4..e2588422c 100644
--- a/src/wasm/wasm-binary.cpp
+++ b/src/wasm/wasm-binary.cpp
@@ -7157,6 +7157,7 @@ bool WasmBinaryBuilder::maybeVisitArrayCopy(Expression*& out, uint32_t code) {
 
 bool WasmBinaryBuilder::maybeVisitStringNew(Expression*& out, uint32_t code) {
   StringNewOp op;
+  Expression* length = nullptr;
   if (code == BinaryConsts::StringNewWTF8) {
     auto policy = getU32LEB();
     switch (policy) {
@@ -7172,12 +7173,30 @@ bool WasmBinaryBuilder::maybeVisitStringNew(Expression*& out, uint32_t code) {
       default:
         throwError("bad policy for string.new");
     }
+    length = popNonVoidExpression();
   } else if (code == BinaryConsts::StringNewWTF16) {
     op = StringNewWTF16;
+    length = popNonVoidExpression();
+  } else if (code == BinaryConsts::StringNewWTF8Array) {
+    auto policy = getU32LEB();
+    switch (policy) {
+      case BinaryConsts::StringPolicy::UTF8:
+        op = StringNewUTF8Array;
+        break;
+      case BinaryConsts::StringPolicy::WTF8:
+        op = StringNewWTF8Array;
+        break;
+      case BinaryConsts::StringPolicy::Replace:
+        op = StringNewReplaceArray;
+        break;
+      default:
+        throwError("bad policy for string.new");
+    }
+  } else if (code == BinaryConsts::StringNewWTF16Array) {
+    op = StringNewWTF16Array;
   } else {
     return false;
   }
-  auto* length = popNonVoidExpression();
   auto* ptr = popNonVoidExpression();
   out = Builder(wasm).makeStringNew(op, ptr, length);
   return true;