diff a/test/jdk/jdk/incubator/code/TestSSACapture.java b/test/jdk/jdk/incubator/code/TestSSACapture.java
--- /dev/null
+++ b/test/jdk/jdk/incubator/code/TestSSACapture.java
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2026, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import jdk.incubator.code.CodeTransformer;
+import jdk.incubator.code.Op;
+import jdk.incubator.code.Reflect;
+import jdk.incubator.code.dialect.core.CoreOp;
+import jdk.incubator.code.dialect.core.SSA;
+import jdk.incubator.code.dialect.java.JavaOp;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import java.lang.reflect.Method;
+import java.util.Optional;
+import java.util.function.IntSupplier;
+import java.util.stream.Stream;
+
+/*
+ * @test
+ * @modules jdk.incubator.code
+ * @run junit TestSSACapture
+ */
+
+public class TestSSACapture {
+
+    @Reflect
+    static int lambda(int i) {
+        IntSupplier s = () -> i;
+        return s.getAsInt();
+    }
+
+    @Test
+    public void testLambda() {
+        CoreOp.FuncOp f = getFuncOp("lambda");
+        CoreOp.FuncOp lf = f.transform(CodeTransformer.LOWERING_TRANSFORMER);
+        JavaOp.LambdaOp lop = (JavaOp.LambdaOp) lf.elements()
+                .filter(e -> e instanceof JavaOp.LambdaOp)
+                .findFirst().get();
+
+        Assertions.assertThrows(IllegalArgumentException.class, () -> SSA.transform(lop));
+    }
+
+    static CoreOp.FuncOp getFuncOp(String name) {
+        Optional<Method> om = Stream.of(TestSSACapture.class.getDeclaredMethods())
+                .filter(m -> m.getName().equals(name))
+                .findFirst();
+
+        Method m = om.get();
+        return Op.ofMethod(m).get();
+    }
+}