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* string.c (setup_fake_str): fake strings should not set class by

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RBASIC_SET_CLASS() because it insert write barriers to fake
  (non-RVALUE) structure.
  It can cause unexpected behaviour.
  Ruby 2.1 also have a same problem (setup_fake_str() in parse.y).
* symbol.c (setup_fake_str): ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47190 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ko1 2014-08-15 10:37:42 +00:00
parent b5e89e44f1
commit 6f7366c206
3 changed files with 14 additions and 2 deletions
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12
ChangeLog
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@ -1,3 +1,15 @@
Fri Aug 15 19:34:33 2014 Koichi Sasada <ko1@atdot.net>
* string.c (setup_fake_str): fake strings should not set class by
RBASIC_SET_CLASS() because it insert write barriers to fake
(non-RVALUE) structure.
It can cause unexpected behaviour.
Ruby 2.1 also have a same problem (setup_fake_str() in parse.y).
* symbol.c (setup_fake_str): ditto.
Fri Aug 15 19:27:25 2014 Koichi Sasada <ko1@atdot.net>
* array.c (rb_ary_tmp_new): added.

2
string.c
View file

@ -240,7 +240,7 @@ setup_fake_str(struct RString *fake_str, const char *name, long len, int encidx)
ENCODING_SET_INLINED((VALUE)fake_str, encidx);
RBASIC_SET_CLASS((VALUE)fake_str, rb_cString);
RBASIC_SET_CLASS_RAW((VALUE)fake_str, rb_cString);
fake_str->as.heap.len = len;
fake_str->as.heap.ptr = (char *)name;
fake_str->as.heap.aux.capa = len;

2
symbol.c
View file

@ -414,7 +414,7 @@ static VALUE
setup_fake_str(struct RString *fake_str, const char *name, long len)
{
fake_str->basic.flags = T_STRING|RSTRING_NOEMBED;
RBASIC_SET_CLASS((VALUE)fake_str, rb_cString);
RBASIC_SET_CLASS_RAW((VALUE)fake_str, rb_cString);
fake_str->as.heap.len = len;
fake_str->as.heap.ptr = (char *)name;
fake_str->as.heap.aux.capa = len;