--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/langtools/tools/javac/patterns/BindingsTest2.java	Wed Nov 27 09:00:01 2019 +0100
@@ -0,0 +1,191 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 8231827
+ * @summary Ensure that scopes arising from conditionalExpressions are handled corrected.
+ * @compile/fail/ref=BindingsTest2.out -XDrawDiagnostics -XDshould-stop.at=FLOW --enable-preview -source ${jdk.version} BindingsTest2.java
+ */
+public class BindingsTest2 {
+    public static boolean Ktrue() { return true; }
+    public static void main(String[] args) {
+        Object o1 = "hello";
+        Integer in = 42;
+        Object o2 = in;
+        Object o3 = "there";
+
+
+        if (Ktrue() ? o2 instanceof Integer x : o2 instanceof String x) {
+            x.intValue();
+        }
+        if (Ktrue() ? o2 instanceof Integer x : true) {
+            x.intValue();
+        }
+
+        if (o1 instanceof String s ? true : true) {
+            s.length();
+        }
+        if (o1 instanceof String s ? true : o2 instanceof Integer s) {
+            s.length();
+        }
+        if (o1 instanceof String s ? true : o2 instanceof Integer i) {
+            s.length();
+        }
+
+        // Test for (e1 ? e2 : e3).T contains intersect(e1.F, e2.T)
+        if (!(o1 instanceof String s) ? true : true) {
+            s.length();
+        }
+        if (!(o1 instanceof String s) ? (o2 instanceof Integer s) : true) {
+            s.length();
+        }
+        if (!(o1 instanceof String s) ? (o2 instanceof Integer i) : true) {
+            s.length();
+            i.intValue();
+        }
+        if (!(o1 instanceof String s) ? (o1 instanceof String s2) : true) {
+            s.length();
+            s2.length();
+        }
+
+
+        // Test for (e1 ? e2 : e3).F contains intersect(e2.F, e3.F)
+        if (Ktrue() ? !(o2 instanceof Integer x) : !(o1 instanceof String x)){
+        } else {
+            x.intValue();
+        }
+        if (Ktrue() ? !(o2 instanceof Integer x) : !(o1 instanceof String s)){
+        } else {
+            x.intValue();
+        }
+        if (Ktrue() ? !(o2 instanceof Integer x) : !(o2 instanceof Integer x1)){
+        } else {
+            x.intValue();
+            x1.intValue();
+        }
+        if (Ktrue() ? !(o2 instanceof Integer x) : false){
+        } else {
+            x.intValue();
+        }
+
+        // Test for (e1 ? e2 : e3).F contains intersect(e1.T, e3.F)
+        if (o1 instanceof String s ? true : !(o2 instanceof Integer s)){
+        } else {
+            s.length();
+        }
+        if (o1 instanceof String s ? true : !(o2 instanceof Integer i)){
+        } else {
+            s.length();
+            i.intValue();
+        }
+        if (o1 instanceof String s ? true : !(o2 instanceof String s1)){
+        } else {
+            s.length();
+            s1.length();
+        }
+        // Test for (e1 ? e2 : e3).F contains intersect(e1.F, e2.F)
+        if (!(o1 instanceof String s) ? !(o1 instanceof String s1) : true){
+        } else {
+            s.length();
+            s1.length();
+        }
+        if (!(o1 instanceof String s) ? !(o2 instanceof Integer s) : true){
+        } else {
+            s.length();
+        }
+        if (!(o1 instanceof String s) ? !(o2 instanceof Integer i) : true){
+        } else {
+            s.length();
+            i.intValue();
+        }
+
+        // Test for e1 ? e2: e3 - include e1.T in e2
+        if (o1 instanceof String s ? false : s.length()>0) {
+            System.out.println("done");
+        }
+        if (o1 instanceof String s ? false : s.intValue!=0) {
+            System.out.println("done");
+        }
+
+        // Test for e1 ? e2 : e3 - include e1.F in e3
+        if (!(o1 instanceof String s) ? s.length()>0 : false){
+            System.out.println("done");
+        }
+        if (!(o1 instanceof String s) ? s.intValue>0 : false){
+            System.out.println("done");
+        }
+
+        {
+            while (!(o1 instanceof String s)) {
+                break;
+            }
+
+            s.length();
+        }
+
+        {
+            while (!(o1 instanceof String s)) {
+                if (false) break;
+            }
+
+            s.length();
+        }
+
+        {
+            while (!(o1 instanceof String s)) {
+                while (true);
+                break;
+            }
+
+            s.length();
+        }
+
+        {
+            for (; !(o1 instanceof String s); ) {
+                break;
+            }
+
+            s.length();
+        }
+
+        {
+            for (; !(o1 instanceof String s); ) {
+                if (false) break;
+            }
+
+            s.length();
+        }
+
+        {
+            for (; !(o1 instanceof String s); ) {
+                while (true);
+                break;
+            }
+
+            s.length();
+        }
+
+        {
+            do {
+                break;
+            } while (!(o1 instanceof String s));
+
+            s.length();
+        }
+
+        {
+            do {
+                if (false) break;
+            } while (!(o1 instanceof String s));
+
+            s.length();
+        }
+
+        {
+            do {
+                while (true);
+                break;
+            } while (!(o1 instanceof String s));
+
+            s.length();
+        }
+    }
+}