vm_insnhelper.c: add comments
* vm_insnhelper.c (vm_yield_setup_block_args): break a long line and
add comments. remove useless code.
* vm_insnhelper.c (vm_yield_setup_block_args): split single parameter
if any keyword arguments exist, and then extract keyword arguments. [ruby-core:55203] [Bug #8463]
* compile.c (iseq_set_arguments): not a simple single argument if any
keyword arguments exist. [ruby-core:55203] [Bug #8463]
* vm_insnhelper.c (vm_yield_setup_block_args): partially revert r41019.
The code is not useless.
merge revision(s) 41019,41020,41021,41041,41045,41057: [Backport #8463]
add comments. remove useless code.
* vm_insnhelper.c (vm_yield_setup_block_args): split single parameter
if any keyword arguments exist, and then extract keyword arguments.
[ruby-core:55203] [Bug #8463]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@41262 b2dd03c8-39d4-4d8f-98ff-823fe69b080e