fails:Global variable $0 raises a TypeError when not given an object that can be coerced to a String
fails:Global variable $0 actually sets the program name
windows:The predefined global constant ARGV contains Strings encoded in locale Encoding
fails:Predefined global $! in bodies without ensure should be cleared when an exception is rescued even when a non-local return is present
fails(etc not .so/.jar):$LOAD_PATH.resolve_feature_path returns what will be loaded without actual loading, .so file
fails:Execution variable $: default $LOAD_PATH entries until sitelibdir included have @gem_prelude_index set
