[GR-14638] Fix loading of shell stdlib and parsing of for with the same variable outside.

PullRequest: truffleruby/722

Author: eregon

CHANGELOG.md

@@ -6,15 +6,18 @@ New features:
 
 Changes:
 
-* `debug`, `profile`, `profiler`, `shell`, which were already marked as
-  unsupported, have been removed.
+* `debug`, `profile`, `profiler`, which were already marked as unsupported,
+  have been removed.
 * Our experimental JRuby-compatible Java interop has been removed - use
   `Polyglot` and `Java` instead.
 
 Bug fixes:
 
 * `autoload :C, "path"; require "path"` now correctly triggers the autoload.
 * Fixed `UDPSocket#bind` to specify family and socktype when resolving address.
+* The `shell` standard library can now be `require`-d.
+* Fixed a bug where `for` could result in a `NullPointerException` when trying
+  to assign the iteration variable.
 
 # 1.0 RC 14
 

doc/user/compatibility.md

@@ -67,7 +67,6 @@ The following standard libraries are unsupported.
 * `io/wait` (partially implemented, could be implemented in the future)
 * `pty` (could be implemented in the future)
 * `ripper` (has a no-op implementation, and could be implemented in the future)
-* `shell` (could be implemented in the future) <!-- TODO CS 26 Feb 19 probably due to simple bug -->
 * `win32`
 * `win32ole`