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compile.c: optimize leave

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* 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
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nobu 2015-11-16 08:40:42 +00:00
parent 5cf4310616
commit 6339ac02ac
2 changed files with 7 additions and 1 deletions
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5
ChangeLog
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@ -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.

3
compile.c
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@ -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):