JS: decomposition of ternary operator

js/js.translator/testData/inlineEvaluationOrder/cases/conditionalTestExpressionElvis.kt

@@ -0,0 +1,14 @@
+package foo
+
+fun test(x: Boolean?): Boolean = buzz(x) ?: fizz(true)
+
+fun box(): String {
+    assertEquals(true, test(null))
+    assertEquals("buzz(null);fizz(true);", pullLog())
+    assertEquals(false, test(false))
+    assertEquals("buzz(false);", pullLog())
+    assertEquals(true, test(true))
+    assertEquals("buzz(true);", pullLog())
+
+    return "OK"
+}