Quick-Fixes: Approximate non-denotable type with nearest denotable supertype

#KT-5915 Fixed

idea/testData/quickfix/typeMismatch/afterAccessibleLocalClassInReturn.kt

@@ -0,0 +1,8 @@
+// "Change 'bar' function return type to 'A'" "true"
+fun foo() {
+    open class A
+
+    fun bar(): A {
+        return object: A() {}
+    }
+}

idea/testData/quickfix/typeMismatch/afterAnonymousObjectInCall.kt

@@ -0,0 +1,10 @@
+// "Change parameter 't' type of function 'foo' to 'T'" "true"
+trait T
+
+fun Int.foo(t: T) {
+
+}
+
+fun foo() {
+    1.foo(object: T{})
+}

idea/testData/quickfix/typeMismatch/afterAnonymousObjectInInfixCall.kt

@@ -0,0 +1,8 @@
+// "Change parameter 't' type of function 'foo' to 'T'" "true"
+trait T
+
+fun Int.foo(t: T) = this
+
+fun foo() {
+    1 foo object: T{}
+}

idea/testData/quickfix/typeMismatch/afterAnonymousObjectInInitializer.kt

@@ -0,0 +1,6 @@
+// "Change 't' type to 'T'" "true"
+trait T
+
+fun foo() {
+    val t: T = object: T{}
+}

idea/testData/quickfix/typeMismatch/afterAnonymousObjectInReturn.kt

@@ -0,0 +1,6 @@
+// "Change 'foo' function return type to 'T'" "true"
+trait T
+
+fun foo(): T {
+    return object: T{}
+}

idea/testData/quickfix/typeMismatch/afterAnyInReturn.kt

@@ -0,0 +1,6 @@
+// "Change 'foo' function return type to 'Any'" "true"
+fun foo(): Any {
+    class A
+
+    return A()
+}

idea/testData/quickfix/typeMismatch/afterLocalClassInReturn1.kt

@@ -0,0 +1,10 @@
+// "Change 'foo' function return type to 'U'" "true"
+trait T
+trait U
+
+fun foo(): U {
+    open class A: T
+    class B: A(), U
+
+    return <caret>B()
+}

idea/testData/quickfix/typeMismatch/afterLocalClassInReturn2.kt

@@ -0,0 +1,9 @@
+// "Change 'foo' function return type to 'T'" "true"
+trait T
+
+fun foo(): T {
+    open class A: T
+    class B: A()
+
+    return B()
+}

idea/testData/quickfix/typeMismatch/beforeAccessibleLocalClassInReturn.kt

@@ -0,0 +1,8 @@
+// "Change 'bar' function return type to 'A'" "true"
+fun foo() {
+    open class A
+
+    fun bar(): Int {
+        return <caret>object: A() {}
+    }
+}

idea/testData/quickfix/typeMismatch/beforeAnonymousObjectInCall.kt

@@ -0,0 +1,10 @@
+// "Change parameter 't' type of function 'foo' to 'T'" "true"
+trait T
+
+fun Int.foo(t: Int) {
+
+}
+
+fun foo() {
+    1.foo(<caret>object: T{})
+}

idea/testData/quickfix/typeMismatch/beforeAnonymousObjectInInfixCall.kt

@@ -0,0 +1,8 @@
+// "Change parameter 't' type of function 'foo' to 'T'" "true"
+trait T
+
+fun Int.foo(t: Int) = this
+
+fun foo() {
+    1 foo <caret>object: T{}
+}

idea/testData/quickfix/typeMismatch/beforeAnonymousObjectInInitializer.kt

@@ -0,0 +1,6 @@
+// "Change 't' type to 'T'" "true"
+trait T
+
+fun foo() {
+    val t: Int = <caret>object: T{}
+}

idea/testData/quickfix/typeMismatch/beforeAnonymousObjectInReturn.kt

@@ -0,0 +1,6 @@
+// "Change 'foo' function return type to 'T'" "true"
+trait T
+
+fun foo() {
+    return <caret>object: T{}
+}

idea/testData/quickfix/typeMismatch/beforeAnyInReturn.kt

@@ -0,0 +1,6 @@
+// "Change 'foo' function return type to 'Any'" "true"
+fun foo() {
+    class A
+
+    return <caret>A()
+}

idea/testData/quickfix/typeMismatch/beforeLocalClassInReturn1.kt

@@ -0,0 +1,10 @@
+// "Change 'foo' function return type to 'U'" "true"
+trait T
+trait U
+
+fun foo() {
+    open class A: T
+    class B: A(), U
+
+    return <caret>B()
+}

idea/testData/quickfix/typeMismatch/beforeLocalClassInReturn2.kt

@@ -0,0 +1,9 @@
+// "Change 'foo' function return type to 'T'" "true"
+trait T
+
+fun foo() {
+    open class A: T
+    class B: A()
+
+    return <caret>B()
+}