8136930: Simplify use of module-system options by custom launchers8160489: Multiple -Xpatch lines ignored by javac8156998: javac should support new option -XinheritRuntimeEnvironmentReviewed-by: jlahoda, ksrini
8154824: Compiler should handle java.nio.file.FileSystemNotFoundException gracefully and not abortReviewed-by: jjg