Workaround problem with no special bridges in specific collections

Author: ilya-g

core/commonMain/src/implementations/immutableMap/PersistentHashMapBuilderContentViews.kt

@@ -31,13 +31,17 @@ internal class PersistentHashMapBuilderEntries<K, V>(private val builder: Persis
     }
 
     override fun remove(element: MutableMap.MutableEntry<K, V>): Boolean {
+        // TODO: Eliminate this check after KT-30016 gets fixed.
+        if ((element as Any?) !is MutableMap.MutableEntry<*, *>) return false
         return builder.remove(element.key, element.value)
     }
 
     override val size: Int
         get() = builder.size
 
     override fun contains(element: MutableMap.MutableEntry<K, V>): Boolean {
+        // TODO: Eliminate this check after KT-30016 gets fixed.
+        if ((element as Any?) !is MutableMap.MutableEntry<*, *>) return false
         return builder[element.key]?.let { candidate -> candidate == element.value }
                 ?: (element.value == null && builder.containsKey(element.key))
     }

core/commonMain/src/implementations/immutableMap/PersistentHashMapContentViews.kt

@@ -23,6 +23,8 @@ internal class PersistentHashMapEntries<K, V>(private val map: PersistentHashMap
     override val size: Int get() = map.size
 
     override fun contains(element: Map.Entry<K, V>): Boolean {
+        // TODO: Eliminate this check after KT-30016 gets fixed.
+        if ((element as Any?) !is Map.Entry<*, *>) return false
         return map[element.key]?.let { candidate -> candidate == element.value }
                 ?: (element.value == null && map.containsKey(element.key))
     }

core/commonMain/src/implementations/persistentOrderedMap/PersistentOrderedMapBuilderContentViews.kt

@@ -31,13 +31,17 @@ internal class PersistentOrderedMapBuilderEntries<K, V>(private val builder: Per
     }
 
     override fun remove(element: MutableMap.MutableEntry<K, V>): Boolean {
+        // TODO: Eliminate this check after KT-30016 gets fixed.
+        if ((element as Any?) !is MutableMap.MutableEntry<*, *>) return false
         return builder.remove(element.key, element.value)
     }
 
     override val size: Int
         get() = builder.size
 
     override fun contains(element: MutableMap.MutableEntry<K, V>): Boolean {
+        // TODO: Eliminate this check after KT-30016 gets fixed.
+        if ((element as Any?) !is MutableMap.MutableEntry<*, *>) return false
         return builder[element.key]?.let { candidate -> candidate == element.value }
                 ?: (element.value == null && builder.containsKey(element.key))
     }

core/commonMain/src/implementations/persistentOrderedMap/PersistentOrderedMapContentViews.kt

@@ -23,6 +23,8 @@ internal class PersistentOrderedMapEntries<K, V>(private val map: PersistentOrde
     override val size: Int get() = map.size
 
     override fun contains(element: Map.Entry<K, V>): Boolean {
+        // TODO: Eliminate this check after KT-30016 gets fixed.
+        if ((element as Any?) !is Map.Entry<*, *>) return false
         return map[element.key]?.let { candidate -> candidate == element.value }
                 ?: (element.value == null && map.containsKey(element.key))
     }

core/commonTest/src/contract/map/ImmutableMapTest.kt

@@ -171,6 +171,7 @@ abstract class ImmutableMapTest {
             testMutation { this['a'] = null }
             testMutation { remove('x') }
             testMutation { clear() }
+            testMutation { entries.remove(null as Any?) }
         }
     }