fix bug of any boxed obj as return value (web-devkits#155)

Signed-off-by: Su Yihan <[email protected]>

src/backend/binaryen/wasm_expr_gen.ts

@@ -4639,7 +4639,11 @@ export class WASMExpressionGen {
             createDynObjOps.push(
                 this.module.local.get(tmpVar.index, tmpVar.type),
             );
-            castedValueRef = this.module.block(null, createDynObjOps);
+            castedValueRef = this.module.block(
+                null,
+                createDynObjOps,
+                tmpVar.type,
+            );
         }
         return castedValueRef;
     }

tests/samples/any_box_obj_as_return_value.ts

@@ -0,0 +1,13 @@
+/*
+ * Copyright (C) 2023 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+function getAnyObj(): any {
+    return { a: 1 };
+}
+
+export function getObjPropFromReturnValue() {
+    const obj: any = getAnyObj();
+    console.log(obj.a);
+}

tools/validate/wamr/validation.json

@@ -179,6 +179,16 @@
             }
         ]
     },
+    {
+        "module": "any_box_obj_as_return_value",
+        "entries": [
+            {
+                "name": "getObjPropFromReturnValue",
+                "args": [],
+                "result": "1"
+            }
+        ]
+    },
     {
         "module": "any_box_string",
         "entries": [