Test for KT-2281.

#KT-2281 fixed

js/js.tests/test/org/jetbrains/k2js/test/semantics/MiscTest.java

@@ -195,4 +195,10 @@ public final class MiscTest extends AbstractExpressionTest {
     public void testIterationOverIterator() throws Exception {
         fooBoxTest();
     }
+
+    public void testStringInterpolationEvaluationOrder() throws Exception {
+        fooBoxTest();
+    }
+
+
 }

js/js.translator/testFiles/expression/misc/cases/stringInterpolationEvaluationOrder.kt

@@ -0,0 +1,33 @@
+package foo
+
+var s = ""
+
+class A() {
+    fun test(v: String) {
+        s += "4"
+    }
+}
+
+fun f(): String {
+     s += "3"
+     return ""
+}
+
+class B() {
+    val a: A
+      get() {
+          s += "2"
+          return A()
+      }
+
+    fun test() {
+        s += "1"
+        a.test("${if (true) f() else 4}")
+        s += "5"
+    }
+}
+
+fun box(): Any? {
+    B().test()
+    return if (s != "12345") s else true
+}