Generate INSTANCEOF barrier in bridges for Collection.contains

compiler/testData/codegen/box/bridges/strListContains.kt

@@ -0,0 +1,52 @@
+class StrList : List<String?> {
+    override val size: Int
+        get() = throw UnsupportedOperationException()
+
+    override fun isEmpty(): Boolean {
+        throw UnsupportedOperationException()
+    }
+
+    override fun contains(o: String?) = o == null || o == "abc"
+
+    override fun iterator(): Iterator<String> {
+        throw UnsupportedOperationException()
+    }
+
+    override fun containsAll(c: Collection<String?>) = false
+    override fun get(index: Int): String {
+        throw UnsupportedOperationException()
+    }
+
+    override fun indexOf(o: Any?): Int {
+        throw UnsupportedOperationException()
+    }
+
+    override fun lastIndexOf(o: Any?): Int {
+        throw UnsupportedOperationException()
+    }
+
+    override fun listIterator(): ListIterator<String?> {
+        throw UnsupportedOperationException()
+    }
+
+    override fun listIterator(index: Int): ListIterator<String?> {
+        throw UnsupportedOperationException()
+    }
+
+    override fun subList(fromIndex: Int, toIndex: Int): List<String?> {
+        throw UnsupportedOperationException()
+    }
+}
+
+fun <E> Collection<E>.forceContains(x: Any?): Boolean = contains(x as E)
+
+fun box(): String {
+    val strList = StrList()
+
+    if (strList.forceContains(1)) return "fail 1"
+    if (!strList.forceContains(null)) return "fail 2"
+    if (strList.forceContains("cde")) return "fail 3"
+    if (!strList.forceContains("abc")) return "fail 4"
+
+    return "OK"
+}