vm_eval.c: Check_TypedStruct

* vm_eval.c (eval_string_with_cref): check by Check_TypedStruct
  instead of rb_obj_is_kind_of.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42108 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 7 deletions

diff --git a/vm_eval.c b/vm_eval.c
index dfa26186f4..8351f7f869 100644
--- a/vm_eval.c
+++ b/vm_eval.c
@@ -1202,8 +1202,8 @@ eval_string_with_cref(VALUE self, VALUE src, VALUE scope, NODE *cref, const char
 	VALUE absolute_path = Qnil;
 
 	if (scope != Qnil) {
-	    if (rb_obj_is_kind_of(scope, rb_cBinding)) {
-		GetBindingPtr(scope, bind);
+	    bind = Check_TypedStruct(scope, &ruby_binding_data_type);
+	    {
 		envval = bind->env;
 		if (strcmp(file, "(eval)") != 0) {
 		    absolute_path = rb_str_new_cstr(file);
@@ -1214,11 +1214,6 @@ eval_string_with_cref(VALUE self, VALUE src, VALUE scope, NODE *cref, const char
 		    absolute_path = rb_current_realfilepath();
 		}
 	    }
-	    else {
-		rb_raise(rb_eTypeError,
-			 "wrong argument type %s (expected Binding)",
-			 rb_obj_classname(scope));
-	    }
 	    GetEnvPtr(envval, env);
 	    base_block = &env->block;
 	}