FIR: Implement deep implicit types resolution

compiler/fir/tree/src/org/jetbrains/kotlin/fir/types/FirErrorTypeRef.kt

@@ -7,7 +7,7 @@ package org.jetbrains.kotlin.fir.types
 
 import org.jetbrains.kotlin.fir.visitors.FirVisitor
 
-interface FirErrorTypeRef : FirTypeRef {
+interface FirErrorTypeRef : FirResolvedTypeRef {
     val reason: String
 
     override fun <R, D> accept(visitor: FirVisitor<R, D>, data: D): R =

compiler/fir/tree/src/org/jetbrains/kotlin/fir/types/impl/FirErrorTypeRefImpl.kt

@@ -7,6 +7,8 @@ package org.jetbrains.kotlin.fir.types.impl
 
 import com.intellij.psi.PsiElement
 import org.jetbrains.kotlin.fir.FirSession
+import org.jetbrains.kotlin.fir.types.ConeKotlinErrorType
+import org.jetbrains.kotlin.fir.types.ConeKotlinType
 import org.jetbrains.kotlin.fir.types.FirErrorTypeRef
 import org.jetbrains.kotlin.fir.visitors.FirVisitor
 
@@ -15,6 +17,8 @@ class FirErrorTypeRefImpl(
     psi: PsiElement?,
     override val reason: String
 ) : FirAbstractAnnotatedTypeRef(session, psi, false), FirErrorTypeRef {
+    override val type: ConeKotlinType = ConeKotlinErrorType(reason)
+
     override fun <R, D> accept(visitor: FirVisitor<R, D>, data: D): R {
         return super<FirErrorTypeRef>.accept(visitor, data)
     }