Add --experimental-wasm-exnref flag to node

Required for the try_table based (exnref) exception handling, for
versions before Node 25

Author: patrick96

web-image/mx.web-image/mx_web_image.py

@@ -49,7 +49,7 @@
 
 _suite = mx.suite("web-image")
 
-_web_image_js_engine_name = os.getenv("NODE_EXE", "node")
+_web_image_js_engine_name = [os.getenv("NODE_EXE", "node"), "--experimental-wasm-exnref"]
 
 # Name of GraalVm component defining the web-image macro
 web_image_component = "web-image"
@@ -489,7 +489,7 @@ def __init__(self):
     def apply(self, config):
         vm_args, main_class, main_class_args = config
 
-        vm_args += ["-Dwebimage.test.js=" + _web_image_js_engine_name]
+        vm_args += ["-Dwebimage.test.js=" + ",".join(_web_image_js_engine_name)]
         vm_args += ["-Dwebimage.test.launcher=" + vm_web_image_path()]
         vm_args += ["-Dwebimage.test.flags=" + ",".join(get_launcher_flags(WebImageConfiguration.test_cases))]
         # If any of the arguments contains spaces and double quotes, on Windows it will add its own quotes around

web-image/src/com.oracle.svm.hosted.webimage.test/src/com/oracle/svm/hosted/webimage/test/util/WebImageTestOptions.java

@@ -31,7 +31,7 @@
 import jdk.graal.compiler.debug.GraalError;
 
 public class WebImageTestOptions {
-    public static final String JS_CMD = System.getProperty("webimage.test.js");
+    public static final List<String> JS_CMD = Arrays.asList(System.getProperty("webimage.test.js", ",").split(","));
     private static final String LAUNCHER = System.getProperty("webimage.test.launcher");
 
     /**

web-image/src/com.oracle.svm.hosted.webimage.test/src/com/oracle/svm/hosted/webimage/test/util/WebImageTestUtil.java

@@ -191,8 +191,7 @@ public static RunResult executeTestProgram(Class<?> c, String[] args, int expect
     }
 
     public static RunResult runJS(String cmd, String[] arguments, int expectExitCode) {
-        List<String> invokeCmd = new ArrayList<>();
-        invokeCmd.add(WebImageTestOptions.JS_CMD);
+        List<String> invokeCmd = new ArrayList<>(WebImageTestOptions.JS_CMD);
         invokeCmd.add(cmd);
 
         if (arguments != null) {