https://gcc.gnu.org/bugzilla/show_bug.cgi?id=24882 Bug 24882 depends on bug 33394, which changed state.
Bug 33394 Summary: Add test case for Thread race segfault in std::string::append with -O and -s https://gcc.gnu.org/bugzilla/show_bug.cgi?id=33394 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED