backtrace_top_function 4626 src/lisp.h     Lisp_Object backtrace_top_function (void);
backtrace_top_function  249 src/profiler.c   if (EQ (backtrace_top_function (), QAutomatic_GC)) /* bug#60237 */
backtrace_top_function 4049 test/manual/etags/c-src/emacs/src/lisp.h Lisp_Object backtrace_top_function (void);