diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-11-20 19:34:19 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-11-20 19:34:19 +0000 |
commit | c815f7e7cf7bad7df5e107544cd739f294470433 (patch) | |
tree | 4f9355937a5ff85c4e00f670dbf0ee5c4e8df84a /symbol.c | |
parent | 8594cab1403199685a35d9e8b7236f5598510119 (diff) |
symbol.c: not freeze the receiver
* symbol.c (rb_str_intern): should not freeze the receiver itself
unexpectedly. [ruby-core:71611] [Bug #11721]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52686 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'symbol.c')
-rw-r--r-- | symbol.c | 15 |
1 files changed, 8 insertions, 7 deletions
@@ -674,13 +674,14 @@ rb_str_intern(VALUE str) #if USE_SYMBOL_GC enc = rb_enc_get(str); ascii = rb_usascii_encoding(); - if (enc != ascii) { - if (sym_check_asciionly(str)) { - str = rb_str_dup(str); - rb_enc_associate(str, ascii); - OBJ_FREEZE(str); - enc = ascii; - } + if (enc != ascii && sym_check_asciionly(str)) { + str = rb_str_dup(str); + rb_enc_associate(str, ascii); + OBJ_FREEZE(str); + enc = ascii; + } + else { + str = rb_str_new_frozen(str); } str = rb_fstring(str); type = rb_str_symname_type(str, IDSET_ATTRSET_FOR_INTERN); |