8134502: introduce abstraction for basic NodeVisitor usageReviewed-by: lagergren, sundar
8135190: Method code too large in Babel browser.js scriptReviewed-by: attila, sundar
8055917: jdk.nashorn.internal.codegen.CompilationPhase$N should be renamed to proper classesReviewed-by: attila, hannesw
8059844: Implement optimistic splitterReviewed-by: hannesw, lagergren