Redeclaration errors for type aliases: type alias vs function.

compiler/testData/diagnostics/tests/redeclarations/TypeAliasCtorVsFun.kt

@@ -0,0 +1,13 @@
+class C(val x: Int)
+
+<!CONFLICTING_OVERLOADS!>typealias CC = C<!>
+
+<!CONFLICTING_OVERLOADS!>fun CC(x: Int)<!> = x
+
+class Outer {
+    class C(val x: Int)
+
+    <!CONFLICTING_OVERLOADS!>typealias CC = C<!>
+
+    <!CONFLICTING_OVERLOADS!>fun CC(x: Int)<!> = x
+}

compiler/testData/diagnostics/tests/redeclarations/TypeAliasCtorVsFun.txt

@@ -0,0 +1,29 @@
+package
+
+public typealias CC = C
+public fun CC(/*0*/ x: kotlin.Int): kotlin.Int
+
+public final class C {
+    public constructor C(/*0*/ x: kotlin.Int)
+    public final val x: kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final class Outer {
+    public typealias CC = Outer.C
+    public constructor Outer()
+    public final fun CC(/*0*/ x: kotlin.Int): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    public final class C {
+        public constructor C(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}

compiler/testData/diagnostics/tests/redeclarations/TypeAliasVsClass.kt

@@ -6,11 +6,11 @@ typealias <!REDECLARATION!>SomeClass<!> = Any
 typealias <!REDECLARATION!>SomeClass<!> = Any
 
 class Outer {
-    class <!REDECLARATION!>Nested<!>
+    class <!REDECLARATION, CONFLICTING_OVERLOADS!>Nested<!>
 
-    typealias <!REDECLARATION!>Nested<!> = Any
-    typealias <!REDECLARATION!>Nested<!> = Any
-    typealias <!REDECLARATION!>Nested<!> = Any
+    <!CONFLICTING_OVERLOADS!>typealias <!REDECLARATION!>Nested<!> = Any<!>
+    <!CONFLICTING_OVERLOADS!>typealias <!REDECLARATION!>Nested<!> = Any<!>
+    <!CONFLICTING_OVERLOADS!>typealias <!REDECLARATION!>Nested<!> = Any<!>
 }
 
 // FILE: file2.kt