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

[redi at gcc dot gnu.org]

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

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Tue Mar 24 14:47:32 2015
New Revision: 221635

URL: https://gcc.gnu.org/viewcvs?rev=221635&root=gcc&view=rev
Log:
    PR libstdc++/33394
    * testsuite/21_strings/basic_string/pthread33394.cc: Add test.

# Auto-generated commit message above this line, original below.
    PR libstdc++/33394
    * testsuite/21_strings/basic_string/pthread33394.cc: Add test.

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