Extract diagnostics about class literals with empty LHS

^KT-59152

compiler/testData/diagnostics/tests/callableReference/unsupported/classLiteralsWithEmptyLHS.fir.kt

@@ -0,0 +1,17 @@
+fun regular() {
+    ::class
+
+    with(Any()) {
+        ::class
+    }
+}
+
+fun Any.extension() {
+    ::class
+}
+
+class A {
+    fun member() {
+        ::class
+    }
+}

compiler/testData/diagnostics/tests/callableReference/unsupported/classLiteralsWithEmptyLHS.kt

@@ -0,0 +1,17 @@
+fun regular() {
+    <!UNSUPPORTED_CLASS_LITERALS_WITH_EMPTY_LHS!>::class<!>
+
+    with(Any()) {
+        <!UNSUPPORTED_CLASS_LITERALS_WITH_EMPTY_LHS!>::class<!>
+    }
+}
+
+fun Any.extension() {
+    <!UNSUPPORTED_CLASS_LITERALS_WITH_EMPTY_LHS!>::class<!>
+}
+
+class A {
+    fun member() {
+        <!UNSUPPORTED_CLASS_LITERALS_WITH_EMPTY_LHS!>::class<!>
+    }
+}