use correct svar even if env is escaped

This patch is follo-up of 0a82bfe.
Without this patch, if env is escaped (Proc'ed), strange svar
can be touched.

This patch tracks escaped env and use it.

1 files changed, 1 insertions, 0 deletions

diff --git a/vm_core.h b/vm_core.h
index e07b49077a..9d7c54b4d1 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -1768,6 +1768,7 @@ rb_vm_living_threads_init(rb_vm_t *vm)
 typedef int rb_backtrace_iter_func(void *, VALUE, int, VALUE);
 rb_control_frame_t *rb_vm_get_ruby_level_next_cfp(const rb_execution_context_t *ec, const rb_control_frame_t *cfp);
 rb_control_frame_t *rb_vm_get_binding_creatable_next_cfp(const rb_execution_context_t *ec, const rb_control_frame_t *cfp);
+VALUE *rb_vm_svar_lep(const rb_execution_context_t *ec, const rb_control_frame_t *cfp);
 int rb_vm_get_sourceline(const rb_control_frame_t *);
 void rb_vm_stack_to_heap(rb_execution_context_t *ec);
 void ruby_thread_init_stack(rb_thread_t *th);