(parent.tryBlock == child || child in parent.catchClauses) && isUsed(parent)

            // If expressions always use their condition, and the branches are used if the
            // If itself is used as an expression.
            is KtIfExpression ->
                parent.condition == child ||
                        ((parent.then == child ||
                                parent.`else` == child) && isUsed(parent))

        sequence {
            analysisSession.useSitePackageProvider.getSubPackageFqNames(fqName, analysisSession.targetPlatform, nameFilter).forEach {
                yield(analysisSession.firSymbolBuilder.createPackageSymbol(fqName.child(it)))
            }
        }
    }

                    if (seenTopLevelPackages.add(packageName) && nameFilter(packageName)) {
                        yield(analysisSession.firSymbolBuilder.createPackageSymbol(FqName.ROOT.child(packageName)))
                    }
                }
            }
        }
    }

    override fun getPossibleCallableNames(): Set<Name> = withValidityAssertion {

        val getterNames = possibleGetMethodNames(fqName.shortNameOrSpecial())
        return getterNames.flatMap { getterName ->
            resolveKdocFqName(fqName.parent().child(getterName), contextElement, trySyntheticGetters = false)
        }
    }

    private fun KtAnalysisSession.getExtensionReceiverSymbolByThisQualifier(
        fqName: FqName,
        contextElement: KtElement,

- [`KT-59151`](https://youtrack.jetbrains.com/issue/KT-59151) K2 / KJS: NullPointerException in Fir2IrClassifierStorage.preCacheBuiltinClasses
- [`KT-59335`](https://youtrack.jetbrains.com/issue/KT-59335) K/JS ES6 classes: A child constructor, when using parent secondary constructor super call, creates a parent object
- [`KT-58797`](https://youtrack.jetbrains.com/issue/KT-58797) Optimize the code generated for objects on JS and Wasm backends