deprecating types after colon

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/ambiguityTopLevelVsTopLevel.kt

@@ -1,9 +1,9 @@
-// !DIAGNOSTICS: -UNUSED_EXPRESSION
+// !DIAGNOSTICS: -UNUSED_EXPRESSION,-UNUSED_VARIABLE
 fun foo(x: Int, <!UNUSED_PARAMETER!>y<!>: Any) = x
 fun foo(<!UNUSED_PARAMETER!>x<!>: Any, y: Int) = y
 
 fun main() {
     ::<!OVERLOAD_RESOLUTION_AMBIGUITY!>foo<!>
     
-    ::<!OVERLOAD_RESOLUTION_AMBIGUITY!>foo<!> : (Int, Any) -> Unit
-}
+    val fooRef: (Int, Any) -> Unit = ::<!OVERLOAD_RESOLUTION_AMBIGUITY!>foo<!>
+}

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/constructorFromClass.kt

@@ -1,10 +1,12 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.KFunction0
 
 class A {
     fun main() {
         val x = ::A
 
-        x : KFunction0<A>
+        checkSubtype<KFunction0<A>>(x)
     }
 }
 
@@ -12,6 +14,6 @@ class SomeOtherClass {
     fun main() {
         val x = ::A
 
-        x : KFunction0<A>
+        checkSubtype<KFunction0<A>>(x)
     }
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/constructorFromExtension.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.KFunction0
 
 class A
@@ -7,6 +9,6 @@ fun A.ext() {
     val x = ::A
     val y = ::B
 
-    x : KFunction0<A>
-    y : KFunction0<B>
+    checkSubtype<KFunction0<A>>(x)
+    checkSubtype<KFunction0<B>>(y)
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/constructorFromExtensionInClass.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.KFunction0
 
 class A
@@ -7,15 +9,15 @@ class B {
         val x = ::A
         val y = ::B
 
-        x : KFunction0<A>
-        y : KFunction0<B>
+        checkSubtype<KFunction0<A>>(x)
+        checkSubtype<KFunction0<B>>(y)
     }
     
     fun B.ext() {
         val x = ::A
         val y = ::B
 
-        x : KFunction0<A>
-        y : KFunction0<B>
+        checkSubtype<KFunction0<A>>(x)
+        checkSubtype<KFunction0<B>>(y)
     }
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/constructorFromTopLevel.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.KFunction0
 
 class A
@@ -5,5 +7,5 @@ class A
 fun main() {
     val x = ::A
 
-    x : KFunction0<A>
+    checkSubtype<KFunction0<A>>(x)
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/differentPackageClass.kt

@@ -1,3 +1,4 @@
+// !CHECK_TYPE
 // FILE: a.kt
 
 package first
@@ -21,7 +22,7 @@ fun main() {
     val y = first.A::bar
     val z = A::baz
 
-    x : KMemberFunction0<A, Unit>
-    y : KMemberFunction1<A, Int, Unit>
-    z : KMemberFunction0<A, String>
+    checkSubtype<KMemberFunction0<A, Unit>>(x)
+    checkSubtype<KMemberFunction1<A, Int, Unit>>(y)
+    checkSubtype<KMemberFunction0<A, String>>(z)
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/differentPackageExtension.kt

@@ -1,3 +1,4 @@
+// !CHECK_TYPE
 // !DIAGNOSTICS: -UNUSED_EXPRESSION
 // FILE: a.kt
 
@@ -23,5 +24,5 @@ fun main() {
     first.A::<!UNRESOLVED_REFERENCE!>bar<!>
     A::<!UNRESOLVED_REFERENCE!>baz<!>
 
-    x : KExtensionFunction0<A, Unit>
+    checkSubtype<KExtensionFunction0<A, Unit>>(x)
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/differentPackageTopLevel.kt

@@ -1,3 +1,4 @@
+// !CHECK_TYPE
 // FILE: a.kt
 
 package first
@@ -21,7 +22,7 @@ fun main() {
     val y = ::bar
     val z = ::baz
 
-    x : KFunction0<Unit>
-    y : KFunction1<Int, Unit>
-    z : KFunction0<String>
+    checkSubtype<KFunction0<Unit>>(x)
+    checkSubtype<KFunction1<Int, Unit>>(y)
+    checkSubtype<KFunction0<String>>(z)
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/extensionFromClass.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.*
 
 class A {
@@ -6,9 +8,9 @@ class A {
         val y = ::bar
         val z = ::baz
 
-        x : KExtensionFunction0<A, Unit>
-        y : KExtensionFunction1<A, Int, Unit>
-        z : KExtensionFunction0<A, String>
+        checkSubtype<KExtensionFunction0<A, Unit>>(x)
+        checkSubtype<KExtensionFunction1<A, Int, Unit>>(y)
+        checkSubtype<KExtensionFunction0<A, String>>(z)
     }
 }
 

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/extensionFromExtension.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.*
 
 class A
@@ -7,9 +9,9 @@ fun A.main() {
     val y = ::bar
     val z = ::baz
 
-    x : KExtensionFunction0<A, Unit>
-    y : KExtensionFunction1<A, Int, Unit>
-    z : KExtensionFunction0<A, String>
+    checkSubtype<KExtensionFunction0<A, Unit>>(x)
+    checkSubtype<KExtensionFunction1<A, Int, Unit>>(y)
+    checkSubtype<KExtensionFunction0<A, String>>(z)
 }
 
 fun A.foo() {}

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/extensionFromExtensionInClass.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.*
 
 class B
@@ -8,9 +10,9 @@ class A {
         val y = ::bar
         val z = ::baz
 
-        x : KExtensionFunction0<A, Unit>
-        y : KExtensionFunction1<A, Int, Unit>
-        z : KExtensionFunction0<A, String>
+        checkSubtype<KExtensionFunction0<A, Unit>>(x)
+        checkSubtype<KExtensionFunction1<A, Int, Unit>>(y)
+        checkSubtype<KExtensionFunction0<A, String>>(z)
     }
 }
 

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/extensionFromTopLevel.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.*
 
 class A
@@ -11,7 +13,7 @@ fun main() {
     val y = A::bar
     val z = A::baz
 
-    x : KExtensionFunction0<A, Unit>
-    y : KExtensionFunction1<A, Int, Unit>
-    z : KExtensionFunction0<A, String>
+    checkSubtype<KExtensionFunction0<A, Unit>>(x)
+    checkSubtype<KExtensionFunction1<A, Int, Unit>>(y)
+    checkSubtype<KExtensionFunction0<A, String>>(z)
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/extensionOnNullable.kt

@@ -1,3 +1,5 @@
+// !DIAGNOSTICS:-UNUSED_VARIABLE
+
 import kotlin.reflect.*
 
 class A {
@@ -6,5 +8,5 @@ class A {
 
 fun A?.foo() {}
 
-val f = A::foo : KMemberFunction0<A, Unit>
-val g = A?::foo : KExtensionFunction0<A, Unit>
+val f: KMemberFunction0<A, Unit> = A::foo
+val g: KExtensionFunction0<A, Unit> = A?::foo

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/genericClassFromTopLevel.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.KMemberFunction0
 
 class A<T>(val t: T) {
@@ -7,5 +9,5 @@ class A<T>(val t: T) {
 fun bar() {
     val x = A<String>::foo
 
-    x : KMemberFunction0<A<String>, String>
+    checkSubtype<KMemberFunction0<A<String>, String>>(x)
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/innerConstructorFromClass.kt

@@ -1,3 +1,4 @@
+// !CHECK_TYPE
 // !DIAGNOSTICS: -UNUSED_EXPRESSION
 import kotlin.reflect.KMemberFunction0
 
@@ -8,8 +9,8 @@ class A {
         val x = ::Inner
         val y = A::Inner
 
-        x : KMemberFunction0<A, A.Inner>
-        y : KMemberFunction0<A, Inner>
+        checkSubtype<KMemberFunction0<A, A.Inner>>(x)
+        checkSubtype<KMemberFunction0<A, Inner>>(y)
     }
     
     companion object {
@@ -17,7 +18,7 @@ class A {
             ::<!INACCESSIBLE_OUTER_CLASS_EXPRESSION!>Inner<!>
             val y = A::Inner
 
-            y : KMemberFunction0<A, A.Inner>
+            checkSubtype<KMemberFunction0<A, A.Inner>>(y)
         }
     }
 }
@@ -27,6 +28,6 @@ class B {
         ::<!UNRESOLVED_REFERENCE!>Inner<!>
         val y = A::Inner
 
-        y : KMemberFunction0<A, A.Inner>
+        checkSubtype<KMemberFunction0<A, A.Inner>>(y)
     }
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/innerConstructorFromExtension.kt

@@ -1,3 +1,4 @@
+// !CHECK_TYPE
 // !DIAGNOSTICS: -UNUSED_EXPRESSION
 import kotlin.reflect.KMemberFunction0
 
@@ -9,13 +10,13 @@ fun A.main() {
     val x = ::Inner
     val y = A::Inner
 
-    x : KMemberFunction0<A, A.Inner>
-    y : KMemberFunction0<A, A.Inner>
+    checkSubtype<KMemberFunction0<A, A.Inner>>(x)
+    checkSubtype<KMemberFunction0<A, A.Inner>>(y)
 }
 
 fun Int.main() {
     ::<!UNRESOLVED_REFERENCE!>Inner<!>
     val y = A::Inner
 
-    y : KMemberFunction0<A, A.Inner>
+    checkSubtype<KMemberFunction0<A, A.Inner>>(y)
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/innerConstructorFromTopLevel.kt

@@ -1,3 +1,4 @@
+// !CHECK_TYPE
 // !DIAGNOSTICS: -UNUSED_EXPRESSION
 import kotlin.reflect.KMemberFunction0
 
@@ -9,5 +10,5 @@ fun main() {
     ::<!UNRESOLVED_REFERENCE!>Inner<!>
     val y = A::Inner
 
-    y : KMemberFunction0<A, A.Inner>
+    checkSubtype<KMemberFunction0<A, A.Inner>>(y)
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/javaStaticMethod.kt

@@ -1,3 +1,4 @@
+// !CHECK_TYPE
 // FILE: test/A.java
 
 package test
@@ -17,7 +18,7 @@ import test.A
 
 fun foo(args: Array<String>) {
     val main2 = A::main
-    main2 : KFunction1<Array<String>, Unit>
+    checkSubtype<KFunction1<Array<String>, Unit>>(main2)
     main2(args)
     (A::main)(args)
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/localConstructor.kt

@@ -1,8 +1,10 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.KFunction0
 
 fun main() {
     class A
     
     val x = ::A
-    x : KFunction0<A>
+    checkSubtype<KFunction0<A>>(x)
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/localConstructorFromExtensionInLocalClass.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.KFunction0
 
 fun main() {
@@ -6,11 +8,11 @@ fun main() {
     class B {
         fun Int.foo() {
             val x = ::A
-            x : KFunction0<A>
+            checkSubtype<KFunction0<A>>(x)
         }
         fun A.foo() {
             val x = ::A
-            x : KFunction0<A>
+            checkSubtype<KFunction0<A>>(x)
         }
     }
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/localConstructorFromLocalExtension.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.KFunction0
 
 fun main() {
@@ -5,11 +7,11 @@ fun main() {
     
     fun A.foo() {
         val x = ::A
-        x : KFunction0<A>
+        checkSubtype<KFunction0<A>>(x)
     }
     
     fun Int.foo() {
         val x = ::A
-        x : KFunction0<A>
+        checkSubtype<KFunction0<A>>(x)
     }
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/localNamedFun.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.*
 
 fun main() {
@@ -9,7 +11,7 @@ fun main() {
     val y = ::bar
     val z = ::baz
     
-    x : KFunction0<Unit>
-    y : KFunction1<Int, Unit>
-    z : KFunction0<String>
+    checkSubtype<KFunction0<Unit>>(x)
+    checkSubtype<KFunction1<Int, Unit>>(y)
+    checkSubtype<KFunction0<String>>(z)
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/localNamedFunFromExtensionInLocalClass.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.*
 
 class A
@@ -13,9 +15,9 @@ fun main() {
             val y = ::bar
             val z = ::baz
 
-            x : KFunction0<Unit>
-            y : KFunction1<Int, Unit>
-            z : KFunction0<String>
+            checkSubtype<KFunction0<Unit>>(x)
+            checkSubtype<KFunction1<Int, Unit>>(y)
+            checkSubtype<KFunction0<String>>(z)
         }
     }
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/localNamedFunFromLocalClass.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.*
 
 fun main() {
@@ -11,9 +13,9 @@ fun main() {
         val z = ::baz
 
         fun main() {
-            x : KFunction0<Unit>
-            y : KFunction1<Int, Unit>
-            z : KFunction0<String>
+            checkSubtype<KFunction0<Unit>>(x)
+            checkSubtype<KFunction1<Int, Unit>>(y)
+            checkSubtype<KFunction0<String>>(z)
         }
     }
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/localNamedFunFromLocalExtension.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.*
 
 class A
@@ -12,8 +14,8 @@ fun main() {
         val y = ::bar
         val z = ::baz
 
-        x : KFunction0<Unit>
-        y : KFunction1<Int, Unit>
-        z : KFunction0<String>
+        checkSubtype<KFunction0<Unit>>(x)
+        checkSubtype<KFunction1<Int, Unit>>(y)
+        checkSubtype<KFunction0<String>>(z)
     }
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/longQualifiedName.kt

@@ -1,3 +1,4 @@
+// !CHECK_TYPE
 // FILE: a.kt
 
 package a.b.c
@@ -13,5 +14,5 @@ import kotlin.reflect.KMemberFunction0
 fun main() {
     val x = a.b.c.D::foo
 
-    x : KMemberFunction0<a.b.c.D, Int>
+    checkSubtype<KMemberFunction0<a.b.c.D, Int>>(x)
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/longQualifiedNameGeneric.kt

@@ -1,3 +1,4 @@
+// !CHECK_TYPE
 // FILE: a.kt
 
 package a.b.c
@@ -13,5 +14,5 @@ import kotlin.reflect.KMemberFunction2
 fun main() {
     val x = a.b.c.D<String, Int>::foo
 
-    x : KMemberFunction2<a.b.c.D<String, Int>, String, Int, a.b.c.D<String, Int>>
+    checkSubtype<KMemberFunction2<a.b.c.D<String, Int>, String, Int, a.b.c.D<String, Int>>>(x)
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/memberFromClass.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.*
 
 class A {
@@ -10,8 +12,8 @@ class A {
         val y = ::bar
         val z = ::baz
 
-        x : KMemberFunction0<A, Unit>
-        y : KMemberFunction1<A, Int, Unit>
-        z : KMemberFunction0<A, String>
+        checkSubtype<KMemberFunction0<A, Unit>>(x)
+        checkSubtype<KMemberFunction1<A, Int, Unit>>(y)
+        checkSubtype<KMemberFunction0<A, String>>(z)
     }
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/memberFromExtension.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.*
 
 class A {
@@ -11,7 +13,7 @@ fun A.main() {
     val y = ::bar
     val z = ::baz
 
-    x : KMemberFunction0<A, Unit>
-    y : KMemberFunction1<A, Int, Unit>
-    z : KMemberFunction0<A, String>
+    checkSubtype<KMemberFunction0<A, Unit>>(x)
+    checkSubtype<KMemberFunction1<A, Int, Unit>>(y)
+    checkSubtype<KMemberFunction0<A, String>>(z)
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/memberFromExtensionInClass.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.*
 
 class A {
@@ -12,8 +14,8 @@ class B {
         val y = ::bar
         val z = ::baz
 
-        x : KMemberFunction0<A, Unit>
-        y : KMemberFunction1<A, Int, Unit>
-        z : KMemberFunction0<A, String>
+        checkSubtype<KMemberFunction0<A, Unit>>(x)
+        checkSubtype<KMemberFunction1<A, Int, Unit>>(y)
+        checkSubtype<KMemberFunction0<A, String>>(z)
     }
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/memberFromTopLevel.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.*
 
 class A {
@@ -11,7 +13,7 @@ fun main() {
     val y = A::bar
     val z = A::baz
 
-    x : KMemberFunction0<A, Unit>
-    y : KMemberFunction1<A, Int, Unit>
-    z : KMemberFunction0<A, String>
+    checkSubtype<KMemberFunction0<A, Unit>>(x)
+    checkSubtype<KMemberFunction1<A, Int, Unit>>(y)
+    checkSubtype<KMemberFunction0<A, String>>(z)
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/nestedConstructorFromClass.kt

@@ -1,3 +1,4 @@
+// !CHECK_TYPE
 // !DIAGNOSTICS: -UNUSED_EXPRESSION
 import kotlin.reflect.KFunction0
 
@@ -8,8 +9,8 @@ class A {
         val x = ::Nested
         val y = A::Nested
 
-        x : KFunction0<Nested>
-        y : KFunction0<Nested>
+        checkSubtype<KFunction0<Nested>>(x)
+        checkSubtype<KFunction0<Nested>>(y)
     }
     
     companion object {
@@ -17,7 +18,7 @@ class A {
             ::Nested
             val y = A::Nested
 
-            y : KFunction0<A.Nested>
+            checkSubtype<KFunction0<A.Nested>>(y)
         }
     }
 }
@@ -27,6 +28,6 @@ class B {
         ::<!UNRESOLVED_REFERENCE!>Nested<!>
         val y = A::Nested
 
-        y : KFunction0<A.Nested>
+        checkSubtype<KFunction0<A.Nested>>(y)
     }
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/nestedConstructorFromExtension.kt

@@ -1,3 +1,4 @@
+// !CHECK_TYPE
 // !DIAGNOSTICS: -UNUSED_EXPRESSION
 import kotlin.reflect.KFunction0
 
@@ -9,12 +10,12 @@ fun A.main() {
     ::<!NESTED_CLASS_SHOULD_BE_QUALIFIED!>Nested<!>
     val y = A::Nested
     
-    y : KFunction0<A.Nested>
+    checkSubtype<KFunction0<A.Nested>>(y)
 }
 
 fun Int.main() {
     ::<!UNRESOLVED_REFERENCE!>Nested<!>
     val y = A::Nested
 
-    y : KFunction0<A.Nested>
+    checkSubtype<KFunction0<A.Nested>>(y)
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/nestedConstructorFromTopLevel.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.KFunction0
 
 class A {
@@ -7,5 +9,5 @@ class A {
 fun main() {
     val x = A::Nested
 
-    x : KFunction0<A.Nested>
+    checkSubtype<KFunction0<A.Nested>>(x)
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/noAmbiguityMemberVsExtension.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.KMemberFunction0
 
 class A {
@@ -9,5 +11,5 @@ fun A.foo() {}
 fun main() {
     val x = A::foo
 
-    x : KMemberFunction0<A, Int>
+    checkSubtype<KMemberFunction0<A, Int>>(x)
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/noAmbiguityMemberVsTopLevel.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.KMemberFunction0
 
 fun foo() {}
@@ -8,6 +10,6 @@ class A {
     fun main() {
         val x = ::foo
 
-        x : KMemberFunction0<A, Unit>
+        checkSubtype<KMemberFunction0<A, Unit>>(x)
     }
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/renameOnImport.kt

@@ -1,3 +1,4 @@
+// !CHECK_TYPE
 // FILE: a.kt
 
 package other
@@ -23,7 +24,7 @@ fun main() {
     val y = AA::bar
     val z = AA::bazbaz
 
-    x : KFunction0<Unit>
-    y : KMemberFunction0<AA, Int>
-    z : KExtensionFunction1<AA, String, Unit>
+    checkSubtype<KFunction0<Unit>>(x)
+    checkSubtype<KMemberFunction0<AA, Int>>(y)
+    checkSubtype<KExtensionFunction1<AA, String, Unit>>(z)
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/topLevelFromClass.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.*
 
 fun foo() {}
@@ -10,8 +12,8 @@ class A {
         val y = ::bar
         val z = ::baz
 
-        x : KFunction0<Unit>
-        y : KFunction1<Int, Unit>
-        z : KFunction0<String>
+        checkSubtype<KFunction0<Unit>>(x)
+        checkSubtype<KFunction1<Int, Unit>>(y)
+        checkSubtype<KFunction0<String>>(z)
     }
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/topLevelFromExtension.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.*
 
 class A
@@ -11,7 +13,7 @@ fun A.main() {
     val y = ::bar
     val z = ::baz
 
-    x : KFunction0<Unit>
-    y : KFunction1<Int, Unit>
-    z : KFunction0<String>
+    checkSubtype<KFunction0<Unit>>(x)
+    checkSubtype<KFunction1<Int, Unit>>(y)
+    checkSubtype<KFunction0<String>>(z)
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/topLevelFromExtensionInClass.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.*
 
 class A
@@ -12,8 +14,8 @@ class B {
         val y = ::bar
         val z = ::baz
 
-        x : KFunction0<Unit>
-        y : KFunction1<Int, Unit>
-        z : KFunction0<String>
+        checkSubtype<KFunction0<Unit>>(x)
+        checkSubtype<KFunction1<Int, Unit>>(y)
+        checkSubtype<KFunction0<String>>(z)
     }
 }

compiler/testData/diagnostics/testsWithStdLib/callableReference/function/topLevelFromTopLevel.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 import kotlin.reflect.*
 
 fun foo() {}
@@ -9,7 +11,7 @@ fun main() {
     val y = ::bar
     val z = ::baz
 
-    x : KFunction0<Unit>
-    y : KFunction1<Int, Unit>
-    z : KFunction0<String>
+    checkSubtype<KFunction0<Unit>>(x)
+    checkSubtype<KFunction1<Int, Unit>>(y)
+    checkSubtype<KFunction0<String>>(z)
 }