nobu	2015-11-16 17:40:42 +0900 (Mon, 16 Nov 2015)

  New Revision: 52594

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=52594

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

  Modified files:
    trunk/ChangeLog
    trunk/compile.c
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 52593)
+++ ChangeLog	(revision 52594)
@@ -1,3 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Mon Nov 16 17:40:39 2015  Nobuyoshi Nakada  <nobu@r...>
+
+	* compile.c (iseq_peephole_optimize): optimize replaced leave
+	  instruction copied to jump instruction too.
+
 Mon Nov 16 16:39:38 2015  Akinori MUSHA  <knu@i...>
 
 	* lib/set.rb: Enable frozen_string_literal.
Index: compile.c
===================================================================
--- compile.c	(revision 52593)
+++ compile.c	(revision 52594)
@@ -1956,7 +1956,8 @@ iseq_peephole_optimize(rb_iseq_t *iseq, https://github.com/ruby/ruby/blob/trunk/compile.c#L1956
 	    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):

--
ML: ruby-changes@q...
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