* iseq.c (iseq_load): disable peephole optimization option

  because apply it multiple times change the sequence.
  (iseq != peephole_optimize(load(iseq.to_a)))




git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52924 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 7 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 0ede8ca47d..34023b0fae 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Tue Dec  8 03:44:51 2015  Koichi Sasada  <ko1@atdot.net>
+
+	* iseq.c (iseq_load): disable peephole optimization option
+	  because apply it multiple times change the sequence.
+	  (iseq != peephole_optimize(load(iseq.to_a)))
+
 Tue Dec  8 03:43:21 2015  Koichi Sasada  <ko1@atdot.net>
 
 	* compile.c (rb_iseq_build_from_ary): do not allocate table
diff --git a/iseq.c b/iseq.c
index c8f468662f..17bfee4981 100644
--- a/iseq.c
+++ b/iseq.c
@@ -565,6 +565,7 @@ iseq_load(VALUE data, const rb_iseq_t *parent, VALUE opt)
     }
 
     make_compile_option(&option, opt);
+    option.peephole_optimization = FALSE; /* because peephole optimization can modify original iseq */
     prepare_iseq_build(iseq, name, path, absolute_path, first_lineno,
 		       parent, (enum iseq_type)iseq_type, &option);