`IO#reopen` internally uses dup syscall but some platforms don't support
the syscall. re-assigning `$stderr` is enough to capture the interpreter's
errors and warnings.
This behavior was deprecated in 2.7 and scheduled to be removed
in 3.0.
Calling yield in a class definition outside a method is now a
SyntaxError instead of a LocalJumpError, as well.
vm_throw): allow "return" and "yield" even in singleton class
definition. based on a patch from wanabe <s.wanabe AT gmail.com>
for "return". [ruby-core:21379] [ruby-dev:40975]
* insns.def (defineclass): ditto (straightforwardly push block ptr,
instead of dfp ptr with special flag).
* vm_core.h (RUBY_VM_CLASS_SPECIAL_P): ditto (no longer needed).
* proc.c (proc_new): ditto (remove handling for special flag).
* bootstraptest/test_jump.rb: add tests for above.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27714 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
fix stack consistency error. [ruby-core:28172]
* bootstraptest/test_jump.rb: add a test for above.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27424 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
peephole optimization should not ignore ISEQ_ELEMENT_ADJUST.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16535 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
given. backported from MatzRuby. [ruby-dev:31609]
* eval_jump.ci (rb_catch): call #catch without arguments if tag
string is NULL.
* eval_jump.ci (rb_f_throw): allow throwing non-symbol object.
* eval.c (rb_catch_obj): new function to wait throw with arbitrary
object.
* eval.c (rb_throw_obj): new function to throw arbitrary object.
* variable.c (check_autoload_table): prevent multiple calls from
RSTRING_PTR().
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13331 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
