* 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.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47190 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/symbol.c b/symbol.c
index 99c7512332..c50607b51b 100644
--- a/symbol.c
+++ b/symbol.c
@@ -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;