eval.c: remove unneeded GC guard

* eval.c (setup_exception): remove RB_GC_GUARD which is no longer
  needed since r41598.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45178 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/eval.c b/eval.c
index c34dd2cdd9..6102cfdc86 100644
--- a/eval.c
+++ b/eval.c
@@ -513,7 +513,7 @@ setup_exception(rb_thread_t *th, int tag, volatile VALUE mesg, VALUE cause)
 
 	PUSH_TAG();
 	if ((status = EXEC_TAG()) == 0) {
-	    RB_GC_GUARD(e) = rb_obj_as_string(e);
+	    e = rb_obj_as_string(e);
 	    if (file && line) {
 		warn_printf("Exception `%s' at %s:%d - %"PRIsVALUE"\n",
 			    rb_obj_classname(th->errinfo), file, line, e);