[Bug ada/83027] Hang when attaching a SIGINT handler

[porton at narod dot ru]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83027

--- Comment #3 from Victor Porton <porton at narod dot ru> ---
GCC 7.2.0, Debian Linux 4.13.0.

Eric Botcazou: I can't make a standalone reproducer without project file,
because the bug appears only when I compile in two stages: creating an .a
library and then linking with this library.