[Spec tests] Add tests for intersection and OR

compiler/tests-spec/testData/diagnostics/linked/overload-resolution/building-the-overload-candidate-set-ocs/operator-call/p-1/neg/2.4.fir.kt

@@ -15,9 +15,9 @@ import LibPackCase1.b.*
 
 fun case1 (){
     var b: B? = B()
-    <!DEBUG_INFO_CALL("fqName: LibPackCase1.b.plusAssign; typeCall: operator extension function")!>b += { C() }<!>
+    <!AMBIGUITY, DEBUG_INFO_CALL("fqName: fqName is unknown; typeCall: unresolved")!>b += { C() }<!>
 
-    <!DEBUG_INFO_CALL("fqName: LibPackCase1.a.plusAssign; typeCall: operator extension function")!>b += {1}<!>
+    <!AMBIGUITY, DEBUG_INFO_CALL("fqName: fqName is unknown; typeCall: unresolved")!>b += {1}<!>
 }
 
 class B {

compiler/tests-spec/testData/diagnostics/linked/overload-resolution/building-the-overload-candidate-set-ocs/operator-call/p-1/neg/2.5.fir.kt

@@ -10,9 +10,9 @@ import LibPackCase1.a.*
 import LibPackCase1.b.*
 fun case1 (){
     var b: B? = null
-    <!DEBUG_INFO_CALL("fqName: LibPackCase1.b.plusAssign; typeCall: inline operator extension function")!>b += { C() }<!>
+    <!AMBIGUITY, DEBUG_INFO_CALL("fqName: fqName is unknown; typeCall: unresolved")!>b += { C() }<!>
 
-    <!DEBUG_INFO_CALL("fqName: LibPackCase1.a.plusAssign; typeCall: inline operator extension function")!>b += {1}<!>
+    <!AMBIGUITY, DEBUG_INFO_CALL("fqName: fqName is unknown; typeCall: unresolved")!>b += {1}<!>
 }
 
 class B {

compiler/tests-spec/testData/diagnostics/linked/overload-resolution/building-the-overload-candidate-set-ocs/operator-call/p-1/neg/2.6.fir.kt

@@ -15,9 +15,9 @@ import LibPackCase1.b.*
 
 fun case1 (){
     var b: B? = B()
-    b += { C() }
+    <!AMBIGUITY!>b += { C() }<!>
 
-    b += {1}
+    <!AMBIGUITY!>b += {1}<!>
 }
 
 class B {

compiler/tests-spec/testData/diagnostics/linked/overload-resolution/building-the-overload-candidate-set-ocs/operator-call/p-1/neg/2.7.fir.kt

@@ -15,9 +15,9 @@ import LibPackCase1.b.plusAssign
 
 fun case1 (){
     var b: B? = B()
-    b += { C() }
+    <!AMBIGUITY!>b += { C() }<!>
 
-    b += {1}
+    <!AMBIGUITY!>b += {1}<!>
 }
 
 class B {

compiler/tests-spec/testData/diagnostics/linked/overload-resolution/building-the-overload-candidate-set-ocs/operator-call/p-1/neg/2.8.fir.kt

@@ -15,8 +15,8 @@ import LibPackCase1.b.plusAssign
 
 fun case1 (){
     var b: B = B()
-    b +={ C() }
-    b +={ 1 }
+    <!AMBIGUITY!>b +={ C() }<!>
+    <!AMBIGUITY!>b +={ 1 }<!>
 }
 
 class B
@@ -48,8 +48,8 @@ import LibPackCase2.b.plusAssign
 
 fun case2 (){
     var b: B = B()
-    b +={ C() }
-    b +={ 1 }
+    <!AMBIGUITY!>b +={ C() }<!>
+    <!AMBIGUITY!>b +={ 1 }<!>
 
     b.<!AMBIGUITY!>plusAssign<!>{ C() }
 }

compiler/tests-spec/testData/diagnostics/linked/overload-resolution/building-the-overload-candidate-set-ocs/operator-call/p-1/neg/2.9.fir.kt

@@ -14,7 +14,7 @@ import LibPackCase1.a.plusAssign
 
 fun case1 (){
     var b: B = B()
-    <!INAPPLICABLE_CANDIDATE!>b +={ C() }<!>
+    b +={ C() }
     b +={ 1 }
 }
 

compiler/tests-spec/testData/diagnostics/linked/overload-resolution/choosing-the-most-specific-candidate-from-the-overload-candidate-set/algorithm-of-msc-selection/p-9/neg/2.3.fir.kt

@@ -0,0 +1,19 @@
+// !LANGUAGE: +NewInference
+// !DIAGNOSTICS: -UNUSED_VARIABLE -ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE -UNUSED_VALUE -UNUSED_PARAMETER -UNUSED_EXPRESSION
+// SKIP_TXT
+
+
+// TESTCASE NUMBER: 1
+interface A1
+interface B1
+
+fun case1(x: Any) {
+    fun A1.foo(): kotlin.Int = 1  //(1)
+    fun B1.foo(): kotlin.Int = 2  //(2)
+    fun Any.foo(): kotlin.String = "Any"  //(3)
+    x.<!DEBUG_INFO_CALL("fqName: case1.foo; typeCall: extension function")!>foo()<!> // to (3)
+    x.foo()
+    if (x is B1 && x is A1) {
+        x.<!AMBIGUITY!>foo<!>()
+    }
+}

compiler/tests-spec/testData/diagnostics/linked/overload-resolution/choosing-the-most-specific-candidate-from-the-overload-candidate-set/algorithm-of-msc-selection/p-9/neg/2.3.kt

@@ -0,0 +1,28 @@
+// !LANGUAGE: +NewInference
+// !DIAGNOSTICS: -UNUSED_VARIABLE -ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE -UNUSED_VALUE -UNUSED_PARAMETER -UNUSED_EXPRESSION
+// SKIP_TXT
+
+/*
+ * KOTLIN DIAGNOSTICS SPEC TEST (NEGATIVE)
+ *
+ * SPEC VERSION: 0.1-464
+ * MAIN LINK: overload-resolution, choosing-the-most-specific-candidate-from-the-overload-candidate-set, algorithm-of-msc-selection -> paragraph 9 -> sentence 2
+ * NUMBER: 3
+ * DESCRIPTION: receiver of intersection type ambuguity
+ */
+
+// TESTCASE NUMBER: 1
+interface A1
+interface B1
+
+fun case1(x: Any) {
+    fun A1.foo(): kotlin.Int = 1  //(1)
+    fun B1.foo(): kotlin.Int = 2  //(2)
+    fun Any.foo(): kotlin.String = "Any"  //(3)
+    x.<!DEBUG_INFO_CALL("fqName: case1.foo; typeCall: extension function")!>foo()<!> // to (3)
+    <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String")!>x.foo()<!>
+    if (x is B1 && x is A1) {
+        x.<!OVERLOAD_RESOLUTION_AMBIGUITY!>foo<!>()
+    }
+}
+

compiler/tests-spec/testData/diagnostics/linked/overload-resolution/choosing-the-most-specific-candidate-from-the-overload-candidate-set/algorithm-of-msc-selection/testsMap.json

@@ -1008,6 +1008,14 @@
           "unexpectedBehaviour": false,
           "linkType": "main"
         },
+        {
+          "specVersion": "0.1-464",
+          "casesNumber": 1,
+          "description": "receiver of intersection type ambuguity",
+          "path": "compiler/tests-spec/testData/diagnostics/linked/overload-resolution/choosing-the-most-specific-candidate-from-the-overload-candidate-set/algorithm-of-msc-selection/p-9/neg/2.3.kt",
+          "unexpectedBehaviour": false,
+          "linkType": "main"
+        },
         {
           "specVersion": "0.1-448",
           "casesNumber": 2,