--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/langtools/tools/javac/switchextra/MultipleLabelsExpression.java	Wed Aug 29 09:36:17 2018 +0200
@@ -0,0 +1,49 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 8206986
+ * @summary Verify cases with multiple labels work properly.
+ * @compile/fail/ref=MultipleLabelsExpression-old.out -source 9 -Xlint:-options -XDrawDiagnostics MultipleLabelsExpression.java
+ * @compile --enable-preview -source 12 MultipleLabelsExpression.java
+ * @run main/othervm --enable-preview MultipleLabelsExpression
+ */
+
+import java.util.Objects;
+import java.util.function.Function;
+
+public class MultipleLabelsExpression {
+    public static void main(String... args) {
+        new MultipleLabelsExpression().run();
+    }
+
+    private void run() {
+        runTest(this::expression1);
+    }
+
+    private void runTest(Function<T, String> print) {
+        check(T.A,  print, "A");
+        check(T.B,  print, "B-C");
+        check(T.C,  print, "B-C");
+        check(T.D,  print, "D");
+        check(T.E,  print, "other");
+    }
+
+    private String expression1(T t) {
+        return switch (t) {
+            case A -> "A";
+            case B, C -> { break "B-C"; }
+            case D -> "D";
+            default -> "other";
+        };
+    }
+
+    private void check(T t, Function<T, String> print, String expected) {
+        String result = print.apply(t);
+        if (!Objects.equals(result, expected)) {
+            throw new AssertionError("Unexpected result: " + result);
+        }
+    }
+
+    enum T {
+        A, B, C, D, E;
+    }
+}