Added changes to prevent -save-temps from clobbering the
input file (previously ok'ed by R. Henderson).
2001-12-14 Ira Ruben <ira@apple.com>
Add -### option (displays driver-generated commands without
executing and quotes all arguments).
* doc/invoke.texi: Add -###.
* gcc.c (verbose_only_flag) - New flag.
* (execute): If -### write quoted arguments and return.
* (display_help): Print meaning of -###.
* (process_command): Handle -###.
2001-12-14 Ira Ruben <ira@apple.com>
Fix to no allow -save-temps to clobber user's source file.
* gcc.c: Add static globals input_stat and input_stat_set.
(do_spec_1): For 'g', 'u', 'U' case with save_temps_flag
set, check that user's input file is not overwritten.
(set_input): Reset input_stat_set for each new file.
From-SVN: r48019
