Re: Prevent double free in basic_string

Actually, for number of threads >=3 this patch is better:--- old/libstdc++-v3/include/bits/basic_string.h 2012-05-30 17:03:15.974035000 -0400 +++ new/libstdc++-v3/include/bits/basic_string.h 2012-05-31 13:06:39.903442000 -0400 @@ -224,14 +224,20 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION _M_refdata() th

Prevent double free in basic_string

Hi All, I would like to propose a patch to libstdc++-v3/include/bits/basic_string.h that solves the problem described in the bug 21334 ( http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21334 ). Briefly: Developers often use non constant methods begin(), end(), operator [], at() for constant operatio