Generate type-safe barrier in method body

In cases when signature of special bridge is the same as current method,
but type is not 'Any?'.

Also there is tiny optimization:
only null check needed if value parameter type is mapped to Object,
but it's not nullable.

 #KT-9973 Fixed

compiler/testData/codegen/box/specialBuiltins/bridgeNotEmptyMap.kt

@@ -0,0 +1,34 @@
+private object NotEmptyMap : MutableMap<Any, Int> {
+    override fun containsKey(key: Any): Boolean = true
+    override fun containsValue(value: Int): Boolean = true
+
+    // non-special bridges get(Object)Integer -> get(Object)I
+    override fun get(key: Any): Int = 1
+    override fun remove(key: Any): Int = 1
+
+    override val size: Int get() = 0
+    override fun isEmpty(): Boolean = true
+    override fun put(key: Any, value: Int): Int? = throw UnsupportedOperationException()
+    override fun putAll(from: Map<out Any, Int>): Unit = throw UnsupportedOperationException()
+    override fun clear(): Unit = throw UnsupportedOperationException()
+    override val entries: MutableSet<MutableMap.MutableEntry<Any, Int>> get() = null!!
+    override val keys: MutableSet<Any> get() = null!!
+    override val values: MutableCollection<Int> get() = null!!
+}
+
+
+fun box(): String {
+    val n = NotEmptyMap as MutableMap<Any?, Any?>
+
+    if (n.get(null) != null) return "fail 1"
+    if (n.containsKey(null)) return "fail 2"
+    if (n.containsValue(null)) return "fail 3"
+    if (n.remove(null) != null) return "fail 4"
+
+    if (n.get(1) == null) return "fail 5"
+    if (!n.containsKey("")) return "fail 6"
+    if (!n.containsValue(3)) return "fail 7"
+    if (n.remove("") == null) return "fail 8"
+
+    return "OK"
+}

compiler/testData/codegen/box/specialBuiltins/notEmptyListAny.kt

@@ -0,0 +1,43 @@
+private object NotEmptyList : MutableList<Any> {
+    override fun contains(element: Any): Boolean = true
+    override fun indexOf(element: Any): Int = 0
+    override fun lastIndexOf(element: Any): Int = 0
+    override fun remove(element: Any): Boolean = true
+
+    override val size: Int
+        get() = throw UnsupportedOperationException()
+
+    override fun containsAll(elements: Collection<Any>): Boolean = elements.isEmpty()
+    override fun isEmpty(): Boolean = throw UnsupportedOperationException()
+    override fun get(index: Int): Any = throw UnsupportedOperationException()
+    override fun add(element: Any): Boolean = throw UnsupportedOperationException()
+    override fun addAll(elements: Collection<Any>): Boolean = throw UnsupportedOperationException()
+    override fun addAll(index: Int, elements: Collection<Any>): Boolean = throw UnsupportedOperationException()
+    override fun removeAll(elements: Collection<Any>): Boolean = throw UnsupportedOperationException()
+    override fun retainAll(elements: Collection<Any>): Boolean = throw UnsupportedOperationException()
+    override fun clear(): Unit = throw UnsupportedOperationException()
+    override fun set(index: Int, element: Any): Any = throw UnsupportedOperationException()
+    override fun add(index: Int, element: Any): Unit = throw UnsupportedOperationException()
+    override fun removeAt(index: Int): Any = throw UnsupportedOperationException()
+    override fun listIterator(): MutableListIterator<Any> = throw UnsupportedOperationException()
+    override fun listIterator(index: Int): MutableListIterator<Any> = throw UnsupportedOperationException()
+    override fun subList(fromIndex: Int, toIndex: Int): MutableList<Any> = throw UnsupportedOperationException()
+    override fun iterator(): MutableIterator<Any> = throw UnsupportedOperationException()
+}
+
+fun box(): String {
+    val n = NotEmptyList as MutableList<Any?>
+
+    if (n.contains(null)) return "fail 1"
+    if (n.indexOf(null) != -1) return "fail 2"
+    if (n.lastIndexOf(null) != -1) return "fail 3"
+
+    if (!n.contains("")) return "fail 3"
+    if (n.indexOf("") != 0) return "fail 4"
+    if (n.lastIndexOf("") != 0) return "fail 5"
+
+    if (n.remove(null)) return "fail 6"
+    if (!n.remove("")) return "fail 7"
+
+    return "OK"
+}

compiler/testData/codegen/box/specialBuiltins/notEmptyMap.kt

@@ -0,0 +1,32 @@
+private object NotEmptyMap : MutableMap<Any, Any> {
+    override fun containsKey(key: Any): Boolean = true
+    override fun containsValue(value: Any): Boolean = true
+    override fun get(key: Any): Any? = Any()
+    override fun remove(key: Any): Any? = Any()
+
+    override val size: Int get() = 0
+    override fun isEmpty(): Boolean = true
+    override fun put(key: Any, value: Any): Any? = throw UnsupportedOperationException()
+    override fun putAll(from: Map<out Any, Any>): Unit = throw UnsupportedOperationException()
+    override fun clear(): Unit = throw UnsupportedOperationException()
+    override val entries: MutableSet<MutableMap.MutableEntry<Any, Any>> get() = null!!
+    override val keys: MutableSet<Any> get() = null!!
+    override val values: MutableCollection<Any> get() = null!!
+}
+
+
+fun box(): String {
+    val n = NotEmptyMap as MutableMap<Any?, Any?>
+
+    if (n.get(null) != null) return "fail 1"
+    if (n.containsKey(null)) return "fail 2"
+    if (n.containsValue(null)) return "fail 3"
+    if (n.remove(null) != null) return "fail 4"
+
+    if (n.get("") == null) return "fail 5"
+    if (!n.containsKey("")) return "fail 6"
+    if (!n.containsValue("")) return "fail 7"
+    if (n.remove("") == null) return "fail 8"
+
+    return "OK"
+}

compiler/testData/codegen/bytecodeText/builtinFunctions/genericParameterBridge/IntMC.kt

@@ -6,3 +6,5 @@ abstract class A7 : MutableCollection<Int> {
 
 // 1 public final bridge contains\(Ljava/lang/Object;\)Z
 // 1 public final bridge remove\(Ljava/lang/Object;\)Z
+/* 2 INSTANCEOF: one for 'remove', one for 'contains' type-safe bridges */
+// 2 INSTANCEOF java/lang/Integer

compiler/testData/codegen/bytecodeText/builtinFunctions/genericParameterBridge/abstractList.kt

@@ -26,3 +26,5 @@ abstract class A6 : java.util.AbstractList<String>() {
 // 2 public final bridge remove\(Ljava/lang/Object;\)Z
 // 2 public final bridge indexOf\(Ljava/lang/Object;\)I
 // 2 public final bridge lastIndexOf\(Ljava/lang/Object;\)I
+/* 2 INSTANCEOF for each class: one for 'remove', one for 'contains' type-safe bridges */
+// 8 INSTANCEOF java/lang/String

compiler/testData/codegen/bytecodeText/builtinFunctions/genericParameterBridge/mutableCollection.kt

@@ -23,3 +23,5 @@ abstract class A2 : MutableCollection<String> {
 // 1 public final bridge contains\(Ljava/lang/Object;\)Z
 // 1 public final bridge remove\(Ljava/lang/Object;\)Z
 // 1 INVOKEVIRTUAL A[0-9]\.contains \(Ljava/lang/String;\)Z
+/* 2 INSTANCEOF: one for 'remove', one for 'contains' type-safe bridges */
+// 2 INSTANCEOF

compiler/testData/codegen/bytecodeText/builtinFunctions/genericParameterBridge/mutableSetInterfaces.kt

@@ -22,3 +22,7 @@ abstract class A : I2
 
 // 1 public final bridge contains\(Ljava/lang/Object;\)Z
 // 1 public final bridge remove\(Ljava/lang/Object;\)Z
+/* 2 INSTANCEOF: one for 'remove', one for 'contains' type-safe bridges of A
+   There should be no bridges in interfaces
+*/
+// 2 INSTANCEOF java/lang/String

compiler/testData/codegen/bytecodeText/builtinFunctions/genericParameterBridge/notNullAnyMC.kt

@@ -0,0 +1,11 @@
+abstract class A8 : MutableCollection<Any> {
+    override fun contains(o: Any): Boolean {
+        throw UnsupportedOperationException()
+    }
+}
+
+// 1 bridge
+// 1 public final bridge size
+// 0 INSTANCEOF
+/* Only 1 IFNONNULL should be within contains method */
+// 1 IFNONNULL

compiler/testData/codegen/bytecodeText/builtinFunctions/genericParameterBridge/notNullParamMC.kt

@@ -0,0 +1,11 @@
+abstract class A<T : Any> : MutableCollection<T> {
+    override fun contains(o: T): Boolean {
+        throw UnsupportedOperationException()
+    }
+}
+
+// 1 bridge
+// 1 public final bridge size
+// 0 INSTANCEOF
+/* Only 1 IFNONNULL should be within contains method (because T is not nullable) */
+// 1 IFNONNULL

compiler/testData/codegen/bytecodeText/builtinFunctions/genericParameterBridge/nullableAnyMC.kt

@@ -6,3 +6,5 @@ abstract class A8 : MutableCollection<Any?> {
 
 // 1 bridge
 // 1 public final bridge size
+// 0 INSTANCEOF
+// 0 NULL