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

compiler/testData/diagnostics/tests/sourceCompatibility/apiVersion/propertyAccessors.fir.kt

@@ -0,0 +1,48 @@
+// !API_VERSION: 1.0
+
+val v1: String
+    @SinceKotlin("1.1")
+    get() = ""
+
+@SinceKotlin("1.1")
+val v2 = ""
+
+var v3: String
+    @SinceKotlin("1.1")
+    get() = ""
+    set(value) {}
+
+var v4: String
+    get() = ""
+    @SinceKotlin("1.1")
+    set(value) {}
+
+var v5: String
+    @SinceKotlin("1.1")
+    get() = ""
+    @SinceKotlin("1.1")
+    set(value) {}
+
+@SinceKotlin("1.1")
+var v6: String
+    get() = ""
+    set(value) {}
+
+@SinceKotlin("1.0")
+val v7: String
+    @SinceKotlin("1.1")
+    get() = ""
+
+fun test() {
+    v1
+    v2
+    v3
+    v3 = ""
+    v4
+    v4 = ""
+    v5
+    v5 = ""
+    v6
+    v6 = ""
+    v7
+}