Add test case to detect name clash in stdlib-js

js/js.translator/testData/box/expression/cast/checkThrowCCE.kt

@@ -0,0 +1,16 @@
+// IGNORE_BACKEND: JS_IR
+// EXPECTED_REACHABLE_NODES: 1094
+package foo
+
+import kotlin.reflect.*
+
+fun box(): String {
+    try {
+        "fail".unsafeCast<KClass<*>>().js
+        return "fail try"
+    } catch (cce: ClassCastException) {
+        return "OK"
+    }
+
+    return "fail common"
+}