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

compiler/testData/diagnostics/tests/annotations/options/functionExpression.fir.kt

@@ -0,0 +1,12 @@
+@Target(AnnotationTarget.EXPRESSION)
+@Retention(AnnotationRetention.SOURCE)
+annotation class ExprAnn
+
+@Target(AnnotationTarget.FUNCTION)
+annotation class FunAnn
+
+fun foo(): Int {
+    val x = @ExprAnn fun() = 1
+    val y = @FunAnn fun() = 2
+    return x() + y()    
+}