[FIR] Reproduce KT-66046

^KT-66046

compiler/testData/diagnostics/tests/intersectedVisibilitiesForNonAbstractPropertyAccessors.kt

@@ -0,0 +1,22 @@
+// ISSUE: KT-66046
+
+open class A1 {
+    var a: Int = 10
+        protected set
+}
+
+interface I1 {
+    var a: Int
+}
+
+abstract class B1 : A1(), I1
+
+open class A2 {
+    protected fun foo(): Int = 10
+}
+
+interface I2 {
+    fun foo(): Int
+}
+
+abstract class <!CANNOT_INFER_VISIBILITY!>B2<!> : A2(), I2