[JVM] Improve code coverage of EntriesMapping

Ensure that when .entries is accessed from an inline function body
or lambda argument, EntriesMapping are properly generated and used
without excessive mappings and duplicated fields

#KT-53236

native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/NativeCodegenBoxTestGenerated.java

@@ -40478,6 +40478,18 @@ public class NativeCodegenBoxTestGenerated extends AbstractNativeCodegenBoxTest
                 runTest("compiler/testData/codegen/boxInline/anonymousObject/withInlineMethod.kt");
             }
 
+            @Nested
+            @TestMetadata("compiler/testData/codegen/boxInline/anonymousObject/enumEntries")
+            @TestDataPath("$PROJECT_ROOT")
+            @Tag("codegen")
+            @UseExtTestCaseGroupProvider()
+            public class EnumEntries {
+                @Test
+                public void testAllFilesPresentInEnumEntries() throws Exception {
+                    KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/boxInline/anonymousObject/enumEntries"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.NATIVE, true);
+                }
+            }
+
             @Nested
             @TestMetadata("compiler/testData/codegen/boxInline/anonymousObject/enumWhen")
             @TestDataPath("$PROJECT_ROOT")