--
* compile.c (iseq_compile_each), vm_insnhelper.c (vm_invoke_block,
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/branches/ruby_1_9_2@27827 b2dd03c8-39d4-4d8f-98ff-823fe69b080e