[K/JS] Rework symbol hash calculation to make IC works with @JsExport and @JsName changes

js/js.translator/testData/incremental/invalidation/jsName/main/m.kt

@@ -0,0 +1,34 @@
+fun box(step: Int): String {
+    val x = TestClass()
+
+    if (x.bar() != "Bar") return "Fail bar in Bar"
+    if (x.foo() != "FooImpl") return "Fail overridden foo in FooBarImpl"
+
+    when (step) {
+        0 -> {
+           if (x.default() != "Default") return "Fail default in Foo"
+        }
+        1 -> {
+            if (x.default() != "TestClass") return "Fail default in TestClass"
+        }
+        2 -> {
+            if (x.asDynamic()._foo_() != "FooImpl") return "Fail overridden foo in FooBarImpl with @JsName"
+        }
+        3 -> {
+            if (x.asDynamic()._foo_() != "FooImpl") return "Fail overridden foo in FooBarImpl with @JsName"
+            if (x.asDynamic()._default_() != "TestClass") return "Fail default in TestClass with @JsName"
+        }
+        4 -> {
+            if (x.asDynamic()._foo_() != "FooImpl") return "Fail overridden foo in FooBarImpl with @JsName"
+            if (x.asDynamic()._default_() != "TestClass") return "Fail default in TestClass with @JsName"
+            if (x.asDynamic()._bar_() != "Bar") return "Fail bar in Bar with @JsName"
+        }
+        5 -> {
+            if (x.asDynamic()._foo_() != "FooImpl") return "Fail overridden foo in FooBarImpl with @JsName"
+            if (x.asDynamic()._default_() != "Default") return "Fail default in Default with @JsName"
+            if (x.asDynamic()._bar_() != "Bar") return "Fail bar in Bar with @JsName"
+        }
+    }
+
+    return "OK"
+}

js/js.translator/testData/incremental/invalidation/jsName/main/module.info

@@ -0,0 +1,18 @@
+STEP 0:
+    dependencies: lib1, lib2, lib3
+    added file: m.kt
+STEP 1:
+    dependencies: lib1, lib2, lib3
+    updated imports: m.kt
+STEP 2:
+    dependencies: lib1, lib2, lib3
+    updated imports: m.kt
+STEP 3:
+    dependencies: lib1, lib2, lib3
+    updated imports: m.kt
+STEP 4:
+    dependencies: lib1, lib2, lib3
+    updated imports: m.kt
+STEP 5:
+    dependencies: lib1, lib2, lib3
+    updated imports: m.kt