compile.c: optimize leave

* compile.c (iseq_peephole_optimize): optimize replaced leave
  instruction copied to jump instruction too.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52594 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 7 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 811ba85d77..0722072129 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Nov 16 17:40:39 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* compile.c (iseq_peephole_optimize): optimize replaced leave
+	  instruction copied to jump instruction too.
+
 Mon Nov 16 16:39:38 2015  Akinori MUSHA  <knu@iDaemons.org>
 
 	* lib/set.rb: Enable frozen_string_literal.
diff --git a/compile.c b/compile.c
index c34126a3c1..ce0b932c81 100644
--- a/compile.c
+++ b/compile.c
@@ -1956,7 +1956,8 @@ iseq_peephole_optimize(rb_iseq_t *iseq, LINK_ELEMENT *list, const int do_tailcal
 	    unref_destination(iobj);
 	    REPLACE_ELEM((LINK_ELEMENT *)iobj, (LINK_ELEMENT *)eiobj);
 	    INSERT_ELEM_NEXT((LINK_ELEMENT *)eiobj, (LINK_ELEMENT *)popiobj);
-	    iobj = popiobj;
+	    iobj = eiobj;
+	    goto again;
 	}
 	/*
 	 * useless jump elimination (if/unless destination):