Test for obsolete KT-7224: Redundant result boxing on ?. call on a primitive

#KT-7224 Obsolete

compiler/testData/codegen/bytecodeText/boxingOptimization/kt7224.kt

@@ -0,0 +1,7 @@
+fun box(): String {
+    230?.hashCode()
+
+    return "OK"
+}
+
+// 1 INVOKESTATIC java/lang/Integer.valueOf

compiler/tests/org/jetbrains/kotlin/codegen/BytecodeTextTestGenerated.java

@@ -376,6 +376,12 @@ public class BytecodeTextTestGenerated extends AbstractBytecodeTextTest {
             doTest(fileName);
         }
 
+        @TestMetadata("kt7224.kt")
+        public void testKt7224() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/bytecodeText/boxingOptimization/kt7224.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("nullCheck.kt")
         public void testNullCheck() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/bytecodeText/boxingOptimization/nullCheck.kt");