[compiler] preserve fir receiver in tree

when selector is invalid expression,
ensure that fir tree still contains receiver as well as selector

KTIJ-23578

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/FirTreeBuilder.kt

@@ -116,6 +116,7 @@ object FirTreeBuilder : AbstractFirTreeBuilder() {
     val errorFunction by element(Declaration, function, diagnosticHolder)
     val errorProperty by element(Declaration, variable, diagnosticHolder)
     val qualifiedAccessExpression by element(Expression, expression, qualifiedAccess)
+    val qualifiedErrorAccessExpression by element(Expression, expression, diagnosticHolder)
     val propertyAccessExpression by element(Expression, qualifiedAccessExpression)
     val functionCall by element(Expression, qualifiedAccessExpression, call)
     val integerLiteralOperatorCall by element(Expression, functionCall)

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/ImplementationConfigurator.kt

@@ -433,6 +433,11 @@ object ImplementationConfigurator : AbstractFirTreeImplementationConfigurator()
             useTypes(errorTypeRefImplType, coneStubDiagnosticType)
         }
 
+        impl(qualifiedErrorAccessExpression) {
+            default("typeRef", "FirErrorTypeRefImpl(source, null, ConeStubDiagnostic(diagnostic), false)")
+            useTypes(errorTypeRefImplType, coneStubDiagnosticType)
+        }
+
         impl(errorFunction) {
             defaultNull("receiverParameter", "body", withGetter = true)
             default("returnTypeRef", "FirErrorTypeRefImpl(null, null, diagnostic, false)")

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/NodeConfigurator.kt

@@ -207,6 +207,11 @@ object NodeConfigurator : AbstractFieldConfigurator<FirTreeBuilder>(FirTreeBuild
             +fieldList("nonFatalDiagnostics", coneDiagnosticType)
         }
 
+        qualifiedErrorAccessExpression.configure {
+            +field("selector", errorExpression)
+            +field("receiver", expression)
+        }
+
         constExpression.configure {
             withArg("T")
             +field("kind", constKindType.withArgs("T"), withReplace = true)