revert [8abba84224], and make sure that every source file that uses Tcl_StatBuf has an "#include <sys/stat.h>" before including tcl.h
revert [8abba84224], and make sure that every source file that uses Tcl_StatBuf has an "#include <sys/stat.h>" before including tcl.h
merge trunk
[3600328]: Fix problems caused by buggy [array] compilation inside a buggy
ensemble compilation (which had the net result of producing *very* wrong code).
COMPILE_DEBUG big: fix bug in stack verification for {*}
 merge trunk