KT-2752: add test to prove that KT-13024 is no longer reproducible with new implementation of name mangling

js/js.translator/testData/box/multiFile/importedDeclarationMangling.kt

@@ -0,0 +1,27 @@
+// FILE: a.kt
+package foo
+
+import bar.*
+import bar.Some.importedFunc
+
+fun box(): String {
+    Some.justFunc()
+    importedFunc()
+    assertEquals("justFunc();importedFunc();", log)
+    return "OK"
+}
+
+// FILE: b.kt
+package bar
+
+var log = ""
+
+object Some {
+    fun justFunc() {
+        log += "justFunc();"
+    }
+
+    fun importedFunc() {
+        log += "importedFunc();"
+    }
+}