move fields to ec.
vm_core.h (rb_thread.h): move errinfo and trace_arg to rb_execution_context_t.
cont.c (fiber_switch, rb_cont_call): do not restore "trace_arg" here.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59199 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added by ko1 (Koichi Sasada) about 8 years ago
move fields to ec.
vm_core.h (rb_thread.h): move errinfo and trace_arg to
rb_execution_context_t.
cont.c (fiber_switch, rb_cont_call): do not restore "trace_arg" here.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59199 b2dd03c8-39d4-4d8f-98ff-823fe69b080e