Supported SAM adapters as get/set operators.

compiler/testData/codegen/boxWithJava/samAdapters/operators/get.java

@@ -0,0 +1,6 @@
+class JavaClass {
+    int get(Runnable i) {
+        i.run();
+        return 239;
+    }
+}

compiler/testData/codegen/boxWithJava/samAdapters/operators/get.kt

@@ -0,0 +1,7 @@
+fun box(): String {
+    val obj = JavaClass()
+
+    var v = "FAIL"
+    obj[{ v = "OK" }]
+    return v
+}

compiler/testData/codegen/boxWithJava/samAdapters/operators/multiGetSet.java

@@ -0,0 +1,13 @@
+class JavaClass {
+    int get(Runnable i1, Runnable i2) {
+        i1.run();
+        i2.run();
+        return 239;
+    }
+
+    void set(Runnable i1, Runnable i2, Runnable value) {
+        i1.run();
+        i2.run();
+        value.run();
+    }
+}

compiler/testData/codegen/boxWithJava/samAdapters/operators/multiGetSet.kt

@@ -0,0 +1,13 @@
+fun box(): String {
+    val obj = JavaClass()
+
+    var v1 = "FAIL"
+    obj[{ v1 = "O" }, { v1 += "K" }]
+    if (v1 != "OK") return "get: $v1"
+
+    var v2 = "FAIL"
+    obj[{ v2 = "" }, { v2 += "O" }] = { v2 += "K" }
+    if (v2 != "OK") return "set: $v2"
+
+    return "OK"
+}

compiler/testData/codegen/boxWithJava/samAdapters/operators/set.java

@@ -0,0 +1,6 @@
+class JavaClass {
+    void set(Runnable i, Runnable value) {
+        i.run();
+        value.run();
+    }
+}

compiler/testData/codegen/boxWithJava/samAdapters/operators/set.kt

@@ -0,0 +1,7 @@
+fun box(): String {
+    val obj = JavaClass()
+
+    var v = "FAIL"
+    obj[{ v = "O" }] = { v += "K" }
+    return v
+}