Avoid non-null assertions for inline classes based on nullable types

Note that there are more places where assertions for inline classes should refined:
  - lateinit vars
  - values that come from Java
  - type casts (interfaces to inline class type)

compiler/frontend.java/src/org/jetbrains/kotlin/resolve/jvm/RuntimeAssertions.kt

@@ -1,17 +1,6 @@
 /*
- * Copyright 2010-2016 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
  */
 
 package org.jetbrains.kotlin.resolve.jvm
@@ -30,6 +19,7 @@ import org.jetbrains.kotlin.resolve.calls.checkers.CallChecker
 import org.jetbrains.kotlin.resolve.calls.checkers.CallCheckerContext
 import org.jetbrains.kotlin.resolve.calls.context.ResolutionContext
 import org.jetbrains.kotlin.resolve.calls.model.ResolvedCall
+import org.jetbrains.kotlin.resolve.isNullableUnderlyingType
 import org.jetbrains.kotlin.resolve.scopes.receivers.ExpressionReceiver
 import org.jetbrains.kotlin.resolve.scopes.receivers.ReceiverValue
 import org.jetbrains.kotlin.types.*
@@ -62,7 +52,12 @@ class RuntimeAssertionInfo(val needNotNullAssertion: Boolean, val message: Strin
                 // Cases when nullability assertion needed: T! -> T, T$ -> T
 
                 // Expected type either T?, T! or T$
-                if (TypeUtils.isNullableType(expectedType) || expectedType.hasEnhancedNullability()) return false
+                if (TypeUtils.isNullableType(expectedType) ||
+                    expectedType.hasEnhancedNullability() ||
+                    expectedType.isNullableUnderlyingType()
+                ) {
+                    return false
+                }
 
                 // Expression type is not nullable and not enhanced (neither T?, T! or T$)
                 val isExpressionTypeNullable = TypeUtils.isNullableType(expressionType)