[Bug libstdc++/33394] Add test case for Thread race segfault in std::string::append with -O and -s

[alalaw01 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=33394

--- Comment #4 from alalaw01 at gcc dot gnu.org ---
Author: alalaw01
Date: Wed Mar 25 15:46:58 2015
New Revision: 221666

URL: https://gcc.gnu.org/viewcvs?rev=221666&root=gcc&view=rev
Log:
    PR libstdc++/33394
    * testsuite/21_strings/basic_string/pthread33394.cc: Use
    dg-additional-options.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/testsuite/21_strings/basic_string/pthread33394.cc