[Bug 278551] pthread_join() kills the process with a return code of 134

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=278551

--- Comment #5 from Ed Maste <emaste@freebsd.org> ---
I can reproduce this with GCC 10, 11, 12, and 13. I cannot reproduce this with
Clang 16 or 17.

$ clang++16 -std=c++20 -static-libgcc -static-libstdc++ -static -pthread -O3
"main.cpp" -o "main_clang++" && ./main_clang++
clang-16: warning: argument unused during compilation: '-static-libgcc'
[-Wunused-command-line-argument]
clang-16: warning: argument unused during compilation: '-static-libstdc++'
[-Wunused-command-line-argument]
kernel
FreeBSD RELEASE 14.0 doesn't reach here.

$ clang++17 -std=c++20 -static-libgcc -static-libstdc++ -static -pthread -O3
"main.cpp" -o "main_clang++" && ./main_clang++
clang++: warning: argument unused during compilation: '-static-libgcc'
[-Wunused-command-line-argument]
clang++: warning: argument unused during compilation: '-static-libstdc++'
[-Wunused-command-line-argument]
kernel
FreeBSD RELEASE 14.0 doesn't reach here.

It's reproducible with any exception with GCC:

static-except.cc:

int fn(void) { throw (int)0; }
int main(int argc, char *argv[]) 
{
        try { 
                fn();
        } catch (int i) {
                return 0;
        }
        return 1;
}

$ g++13 -static static-except.cc -o static-except && ./static-except
Abort trap (core dumped)

I'll change this to a lang/gcc bug

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