/* Test for overly eager multiple include optimization.   Problem distilled from glibc 2.0.7's time.h, sys/time.h, timebits.h.    Problem noted by Tom Tromey <tromey@cygnus.com>.  */#ifdef need_x#undef need_x#ifndef have_x#define have_xextern int x;#endif#endif#ifndef t_h#define t_hextern int y;#endif