Do not allow to assign null to a non-null property via reflection

This was already working for accessor-based properties because the assertions
were already generated into corresponding accessors, but for fields we must
manually check the value against null

compiler/tests/org/jetbrains/kotlin/codegen/generated/BlackBoxWithStdlibCodegenTestGenerated.java

@@ -2844,6 +2844,12 @@ public class BlackBoxWithStdlibCodegenTestGenerated extends AbstractBlackBoxCode
                 doTestWithStdlib(fileName);
             }
 
+            @TestMetadata("disallowNullValueForNotNullField.kt")
+            public void testDisallowNullValueForNotNullField() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("compiler/testData/codegen/boxWithStdlib/reflection/call/disallowNullValueForNotNullField.kt");
+                doTestWithStdlib(fileName);
+            }
+
             @TestMetadata("equalsHashCodeToString.kt")
             public void testEqualsHashCodeToString() throws Exception {
                 String fileName = JetTestUtils.navigationMetadata("compiler/testData/codegen/boxWithStdlib/reflection/call/equalsHashCodeToString.kt");