diff --git a/compiler/tests-spec/testData/diagnostics/notLinked/dfa/neg/36.fir.kt b/compiler/tests-spec/testData/diagnostics/notLinked/dfa/neg/36.fir.kt
index 4c0f5355ff5..c30f0e3ba32 100644
--- a/compiler/tests-spec/testData/diagnostics/notLinked/dfa/neg/36.fir.kt
+++ b/compiler/tests-spec/testData/diagnostics/notLinked/dfa/neg/36.fir.kt
@@ -9,15 +9,15 @@
  */
 fun case_1(x: Class?, y: Any) {
     x?.prop_12 = if (y is String) "" else throw Exception()
-    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String & kotlin.Any")!>y<!>
-    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String & kotlin.Any")!>y<!>.toUpperCase()
+    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any")!>y<!>
+    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any")!>y<!>.<!UNRESOLVED_REFERENCE!>toUpperCase<!>()
 }
 
 // TESTCASE NUMBER: 2
 fun case_2(x: Class?, y: Any) {
     x?.prop_9 = y is String || return
-    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String & kotlin.Any")!>y<!>
-    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String & kotlin.Any")!>y<!>.toUpperCase()
+    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any")!>y<!>
+    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any")!>y<!>.<!UNRESOLVED_REFERENCE!>toUpperCase<!>()
 }
 
 /*
@@ -27,8 +27,8 @@ fun case_2(x: Class?, y: Any) {
  */
 fun case_3(x: Class?, y: Any) {
     x?.prop_12 = y as String
-    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String & kotlin.Any")!>y<!>
-    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String & kotlin.Any")!>y<!>.toUpperCase()
+    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any")!>y<!>
+    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any")!>y<!>.<!UNRESOLVED_REFERENCE!>toUpperCase<!>()
 }
 
 /*
@@ -38,8 +38,8 @@ fun case_3(x: Class?, y: Any) {
  */
 fun case_4(x: Class?, y: Any) {
     x?.prop_12 = y as? String ?: return
-    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String & kotlin.Any")!>y<!>
-    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String & kotlin.Any")!>y<!>.toUpperCase()
+    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any")!>y<!>
+    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Any")!>y<!>.<!UNRESOLVED_REFERENCE!>toUpperCase<!>()
 }
 
 /*
@@ -49,15 +49,15 @@ fun case_4(x: Class?, y: Any) {
  */
 fun case_5(x: Class?, y: String?) {
     x?.prop_12 = y ?: return
-    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String & kotlin.String?")!>y<!>
-    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String & kotlin.String?")!>y<!>.toUpperCase()
+    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String?")!>y<!>
+    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String?")!>y<!>.<!INAPPLICABLE_CANDIDATE!>toUpperCase<!>()
 }
 
 // TESTCASE NUMBER: 6
 fun case_6(x: Class?, y: String?) {
     x?.prop_9 = y !is String && throw Exception()
-    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String & kotlin.String?")!>y<!>
-    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String & kotlin.String?")!>y<!>.toUpperCase()
+    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String?")!>y<!>
+    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String?")!>y<!>.<!INAPPLICABLE_CANDIDATE!>toUpperCase<!>()
 }
 
 /*
@@ -67,8 +67,8 @@ fun case_6(x: Class?, y: String?) {
  */
 fun case_7(x: Class?, y: String?) {
     x?.prop_12 = y!!
-    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String & kotlin.String?")!>y<!>
-    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String & kotlin.String?")!>y<!>.toUpperCase()
+    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String?")!>y<!>
+    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String?")!>y<!>.<!INAPPLICABLE_CANDIDATE!>toUpperCase<!>()
 }
 
 /*
@@ -78,6 +78,6 @@ fun case_7(x: Class?, y: String?) {
  */
 fun case_8(x: Class?, y: String?) {
     x?.prop_12 = if (y === null) throw Exception() else ""
-    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String & kotlin.String?")!>y<!>
-    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String & kotlin.String?")!>y<!>.toUpperCase()
+    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String?")!>y<!>
+    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String?")!>y<!>.<!INAPPLICABLE_CANDIDATE!>toUpperCase<!>()
 }