* dir.c (my_getcwd): do not rely on MAXPATHLEN.

* eval.c (rb_yield_0): should not call rb_f_block_given_p().


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_6@1814 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 0 deletions

diff --git a/string.c b/string.c
index 6695f607c3..8be5e8721d 100644
--- a/string.c
+++ b/string.c
@@ -211,6 +211,8 @@ rb_str_dup(str)
     }
     else if (RSTRING(str)->orig) {
 	str2 = rb_str_new3(RSTRING(str)->orig);
+	FL_UNSET(str2, FL_TAINT);
+	OBJ_INFECT(str2, str);
     }
     else {
 	str2 = rb_str_new3(rb_str_new4(str));