Pull in changes from HEAD
	* exception.h (_except_list): Don't define on x86_64.
	(class exception): Don't define members el and save on x86_64.
	(exception::~exception): Don't define on x86_64.
	* exceptions.cc (signal_exit): Fix typo in condition.
Pull in change from HEAD
Merge branch 'cygwin64' into msys2-64-dev