[FIR-TEST] Add new testdata generated after changes in previous commit

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/ObjectExpression.fir.kt

@@ -0,0 +1,12 @@
+// !WITH_NEW_INFERENCE
+
+fun bar(x: Int): Int = x + 1
+
+fun foo() {
+    val x: Int? = null
+
+    val a = object {
+        fun baz() = bar(if (x == null) 0 else x)
+        fun quux(): Int = if (x == null) x else x
+    }
+}