merge revision(s) r45360,r45361: [Backport #9651]

	* vm_eval.c (eval_string_with_cref): Use file path even if scope is
	  given. Related to [ruby-core:56099] [Bug #8662] and r42103.

	* vm_eval.c (eval_string_with_cref): Unify to use NIL_P.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@45927 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) r45758,r45759: [Backport #9759]

	* vm.c (invoke_block_from_c): add VM_FRAME_FLAG_BMETHOD to record
	  it is bmethod frame.

	* vm.c (vm_exec): invoke RUBY_EVENT_RETURN event if rollbacked frame
	  is VM_FRAME_FLAG_BMETHOD.
	  [Bug #9759]

	* test/ruby/test_settracefunc.rb: add a test for TracePoint/set_trace_func.

	* vm_core.h: rename rb_thread_t::passed_me to
	  rb_thread_t::passed_bmethod_me to clarify the usage.

	* vm_insnhelper.c (vm_call_bmethod_body): use renamed member.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@45928 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) r45637: [Backport #9726]

	* parse.y (primary): flush cmdarg flags inside left-paren in a
	  command argument, to allow parenthesed do-block as an argument
	  without arguments parentheses.  [ruby-core:61950] [Bug #9726]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@45929 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) r45367,r45387,r45388,r45389: [Backport #9475]

	* vm_method.c (rb_method_entry_get_without_cache): get rid of
	  infinite recursion at aliases in a subclass and a superclass.
	  return actually defined class for other than singleton class.
	  [ruby-core:60431] [Bug #9475]

	* vm_method.c (rb_method_entry_get_without_cache): me->klass is 0
	  for a method aliased in a module.  [ruby-core:61636] [Bug #9663]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@45955 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) r45374: [Backport #8405]

	* lib/csv.rb: Fixed a broken regular expression that was causing
	  CSV to miss escaping some special meaning characters when used
	  in parsing.
	  Reported by David Unric
	  [ruby-core:54986] [Bug #8405]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@45956 b2dd03c8-39d4-4d8f-98ff-823fe69b080e