FIR: Do not leave cyclic upper bounds of type parameters

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/FirTypeParameter.kt

@@ -38,5 +38,7 @@ abstract class FirTypeParameter : FirPureAbstractElement(), FirTypeParameterRef,
 
     abstract override fun replaceResolvePhase(newResolvePhase: FirResolvePhase)
 
+    abstract fun replaceBounds(newBounds: List<FirTypeRef>)
+
     abstract override fun <D> transformAnnotations(transformer: FirTransformer<D>, data: D): FirTypeParameter
 }

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/impl/FirTypeParameterImpl.kt

@@ -60,4 +60,9 @@ internal class FirTypeParameterImpl(
     override fun replaceResolvePhase(newResolvePhase: FirResolvePhase) {
         resolvePhase = newResolvePhase
     }
+
+    override fun replaceBounds(newBounds: List<FirTypeRef>) {
+        bounds.clear()
+        bounds.addAll(newBounds)
+    }
 }

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

@@ -291,7 +291,7 @@ object NodeConfigurator : AbstractFieldConfigurator<FirTreeBuilder>(FirTreeBuild
             +symbol("FirTypeParameterSymbol")
             +field(varianceType)
             +booleanField("isReified")
-            +fieldList("bounds", typeRef)
+            +fieldList("bounds", typeRef, withReplace = true)
             +annotations
         }