FE 1.0: implement initial label resolve warning for KT-51433

compiler/testData/diagnostics/testsWithStdLib/labelClashes.fir.kt

@@ -0,0 +1,41 @@
+fun Int.with() {
+    with("") {
+        <!ARGUMENT_TYPE_MISMATCH!>this@with.<!UNRESOLVED_REFERENCE!>inc<!>()<!>
+    }
+}
+
+fun Int.bar() {
+    with("") bar@{
+        <!ARGUMENT_TYPE_MISMATCH!>this@bar.<!UNRESOLVED_REFERENCE!>inc<!>()<!>
+    }
+}
+
+fun foo(f: with.() -> Unit) {}
+
+class with {
+    fun foo() {
+        with("") {
+            <!ARGUMENT_TYPE_MISMATCH!>this@with.<!UNRESOLVED_REFERENCE!>foo<!>()<!>
+        }
+
+        with("") with@{
+            <!ARGUMENT_TYPE_MISMATCH!>this@with.<!UNRESOLVED_REFERENCE!>foo<!>()<!>
+        }
+
+        with("") other@{
+            this@with.foo()
+        }
+    }
+}
+
+private typealias Extension = TypedThis
+
+class TypedThis {
+    fun TypedThis.baz() {
+        this@TypedThis
+    }
+
+    fun Extension.bar() {
+        this@TypedThis
+    }
+}

compiler/testData/diagnostics/testsWithStdLib/labelClashes.kt

@@ -0,0 +1,41 @@
+fun Int.with() {
+    with("") {
+        this<!LABEL_RESOLVE_WILL_CHANGE("function with; anonymous function")!>@with<!>.inc()
+    }
+}
+
+fun Int.bar() {
+    with("") bar@{
+        this<!LABEL_RESOLVE_WILL_CHANGE!>@bar<!>.inc()
+    }
+}
+
+fun foo(f: with.() -> Unit) {}
+
+class with {
+    fun foo() {
+        with("") {
+            this<!LABEL_RESOLVE_WILL_CHANGE("class with; anonymous function")!>@with<!>.foo()
+        }
+
+        with("") with@{
+            this<!LABEL_RESOLVE_WILL_CHANGE!>@with<!>.foo()
+        }
+
+        with("") other@{
+            this@with.foo()
+        }
+    }
+}
+
+private typealias Extension = TypedThis
+
+class TypedThis {
+    fun TypedThis.baz() {
+        this@TypedThis
+    }
+
+    fun Extension.bar() {
+        this@TypedThis
+    }
+}

compiler/testData/diagnostics/testsWithStdLib/labelClashes.txt

@@ -0,0 +1,23 @@
+package
+
+public fun foo(/*0*/ f: with.() -> kotlin.Unit): kotlin.Unit
+public fun kotlin.Int.bar(): kotlin.Unit
+public fun kotlin.Int.with(): kotlin.Unit
+
+public final class TypedThis {
+    public constructor TypedThis()
+    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 fun Extension /* = TypedThis */.bar(): kotlin.Unit
+    public final fun TypedThis.baz(): kotlin.Unit
+}
+
+public final class with {
+    public constructor with()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public final fun foo(): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+private typealias Extension = TypedThis