clear keyword arguments to prevent GC bug which occurs
while marking VM stack.
[ruby-dev:47729] [Bug #8964]
* test/ruby/test_keyword.rb: tests for the above.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43081 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* compile.c (iseq_set_arguments): not a simple single argument if any
keyword arguments exist. [ruby-core:55203] [Bug #8463]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41021 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 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/trunk@41020 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
vm_callee_setup_arg_complex): consider a hash argument for keyword
only when the number of arguments is more than the expected
mandatory parameters. [ruby-core:53199] [ruby-trunk - Bug #8040]
* test/ruby/test_keyword.rb: update a test for above.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40992 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_insnhelper.c (vm_callee_setup_keyword_arg): non-symbol key is not
a keyword argument, keep it as an positional argument.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40260 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_insnhelper.c (vm_callee_setup_keyword_arg): should check required
keyword arguments even if rest hash is defined. [ruby-core:53608]
[Bug #8139]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39869 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* parse.y (IS_LABEL_POSSIBLE): allow labels for keyword arguments just
after method definition without a parenthesis. [ruby-core:52820]
[Bug #7942]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39504 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* parse.y (f_kwrest): allow bare kwrest_mark as valid syntax. its
semantics is still undefined. [Bug #7662] [ruby-core:51269]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38725 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_insnhelper.c (vm_callee_setup_arg_complex, vm_yield_setup_block_args):
set keyrest hash after making rest array, so that the last element
will not be overwritten. [ruby-core:51278] [Bug #7665]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38719 b2dd03c8-39d4-4d8f-98ff-823fe69b080e