* Pedro Alves:

> Even without reducing, it is possible to make the program that triggers the
> assertion be a standalone program?

git clone https://pagure.io/glibc/glibc-support
cd glibc-support
make

Then drop the attached file into the tests subdirectory, and run:

make LDFLAGS=-lpthread
build/tst-pthread-gdb-attach

This should reproduce the issue out side of the glibc tree.

> Any reason you're using "add-symbol-file" in the first place, instead
> of "file"?

The main program is ld.so.

Thanks,
Florian