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

compiler/testData/diagnostics/testsWithStdLib/annotations/Volatile.fir.kt

@@ -0,0 +1,13 @@
+// !DIAGNOSTICS: -UNUSED_ANONYMOUS_PARAMETER
+import kotlin.jvm.Volatile
+import kotlin.properties.Delegates
+
+class My {
+    @Volatile val x = 0
+    // ok
+    @Volatile var y = 1
+
+    @delegate:Volatile var z: String by Delegates.observable("?") { prop, old, new -> old.hashCode() }
+
+    @field:Volatile val w = 2
+}