[Bug libffi/64645] liibffi fails to build on cygwin-32

[bernd.edlinger at hotmail dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64645

--- Comment #3 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
OK.

AFAIK Cygwin-32 does not support the unwind info at all, right?.

Cygwin-64 does support Windows-SEH style unwind info.

libjava uses a kind of hack to get the stack trace:
see libjava/sysdep/i386/backtrace.h

I've seen java exceptions with call stack using above patch.