KT-740: Make sure that assign and increment operations compute receiver only once:

- Increment operation on property.

js/js.translator/testFiles/expression/misc/cases/KT-740.kt

@@ -0,0 +1,26 @@
+package foo
+
+var c = 0
+
+class A() {
+    var  p = 0;
+  {
+   c++; 
+  }
+}
+
+fun box() : Boolean {
+  ++A().p
+  if (c != 1) {
+      return false;
+  }
+  --A().p
+    if (c != 2) {
+        return false;
+    }
+  return true
+}
+
+fun main(args : Array<String>) {
+    println(box())
+}