Support loading methods from Java as common properties overrides

compiler/testData/codegen/boxWithJava/properties/commonProperties/J.java

@@ -0,0 +1,24 @@
+public class J extends A {
+
+    public boolean okField = false;
+
+    public int getValProp() {
+        return 123;
+    }
+
+    public int getVarProp() {
+        return 456;
+    }
+
+    public void setVarProp(int x) {
+        okField = true;
+    }
+
+    public int isProp() {
+        return 789;
+    }
+
+    public void setProp(int x) {
+        okField = true;
+    }
+}

compiler/testData/codegen/boxWithJava/properties/commonProperties/commonProperties.kt

@@ -0,0 +1,37 @@
+open class A {
+    open val valProp: Int = -1
+    open var varProp: Int = -1
+    open var isProp: Int = -1
+}
+
+fun box(): String {
+    val j = J()
+    val a: A = j
+
+    if (j.valProp != 123) return "fail 1"
+    if (a.valProp != 123) return "fail 2"
+
+    j.varProp = -1
+    if (!j.okField) return "fail 3"
+    j.okField = false
+
+    a.varProp = -1
+    if (!j.okField) return "fail 4"
+    j.okField = false
+
+    if (j.varProp != 456) return "fail 5"
+    if (a.varProp != 456) return "fail 6"
+
+    j.isProp = -1
+    if (!j.okField) return "fail 7"
+    j.okField = false
+
+    a.isProp = -1
+    if (!j.okField) return "fail 8"
+    j.okField = false
+
+    if (j.isProp != 789) return "fail 9"
+    if (a.isProp != 789) return "fail 10"
+
+    return "OK"
+}