* testsuite/lib/libstdc++.exp (check_v3_target_fileio,
check_v3_target_time): New.
* testsuite/lib/dg-options.exp (dg-require-fileio,
dg-require-time): New.
* testsuite/ext/stdio_sync_filebuf/char/12048-1.cc: Use it.
* testsuite/ext/stdio_sync_filebuf/char/12048-2.cc: Use it.
* testsuite/ext/stdio_sync_filebuf/char/12048-3.cc: Use it.
* testsuite/ext/stdio_sync_filebuf/char/12048-4.cc: Use it.
* testsuite/ext/stdio_sync_filebuf/char/1.cc: Use it.
* testsuite/ext/stdio_filebuf/char/2.cc: Use it.
* testsuite/ext/stdio_filebuf/char/10063-1.cc: Use it.
* testsuite/ext/stdio_filebuf/char/10063-2.cc: Use it.
* testsuite/ext/stdio_filebuf/char/10063-3.cc: Use it.
* testsuite/22_locale/time_put/put/char/12439_1.cc: Use it.
* testsuite/22_locale/time_put/put/char/12439_3.cc: Use it.
* testsuite/27_io/basic_ofstream/open/char/1.cc: Use it.
* testsuite/27_io/basic_ofstream/cons/char/2.cc: Use it.
* testsuite/27_io/objects/char/12048-2.cc: Use it.
* testsuite/27_io/objects/char/12048-4.cc: Use it.
* testsuite/27_io/objects/char/12048-1.cc: Use it.
* testsuite/27_io/objects/char/12048-3.cc: Use it.
* testsuite/27_io/objects/char/10.cc: Use it.
* testsuite/27_io/objects/char/12048-5.cc: Use it.
* testsuite/27_io/basic_istream/get/char/2.cc: Use it.
* testsuite/27_io/basic_istream/ignore/char/2.cc: Use it.
* testsuite/27_io/basic_istream/ignore/char/3.cc: Use it.
* testsuite/27_io/basic_istream/getline/char/5.cc: Use it.
* testsuite/27_io/basic_istream/seekg/char/sstream.cc: Use it.
* testsuite/27_io/basic_istream/seekg/char/fstream.cc: Use it.
* testsuite/27_io/basic_istream/readsome/char/6746-2.cc: Use it.
* testsuite/27_io/basic_istream/extractors_other/char/2.cc: Use it.
* testsuite/27_io/basic_istream/tellg/char/sstream.cc: Use it.
* testsuite/27_io/basic_istream/tellg/char/1.cc: Use it.
* testsuite/27_io/basic_istream/tellg/char/fstream.cc: Use it.
* testsuite/27_io/basic_istream/extractors_character/char/4.cc: Use it.
* testsuite/27_io/basic_ostream/inserters_other/char/1.cc: Use it.
* testsuite/27_io/basic_ostream/tellp/char/1.cc: Use it.
* testsuite/27_io/basic_ostream/seekp/char/2346-fstream.cc: Use it.
* testsuite/27_io/basic_ifstream/open/char/1.cc: Use it.
* testsuite/27_io/basic_ifstream/cons/char/1.cc: Use it.
* testsuite/27_io/basic_filebuf/sputbackc/char/1-in.cc: Use it.
* testsuite/27_io/basic_filebuf/sputbackc/char/1-io.cc: Use it.
* testsuite/27_io/basic_filebuf/sputbackc/char/2-in.cc: Use it.
* testsuite/27_io/basic_filebuf/sputbackc/char/2-io.cc: Use it.
* testsuite/27_io/basic_filebuf/sgetn/char/3.cc: Use it.
* testsuite/27_io/basic_filebuf/sgetn/char/1-in.cc: Use it.
* testsuite/27_io/basic_filebuf/sgetn/char/1-io.cc: Use it.
* testsuite/27_io/basic_filebuf/sgetn/char/2-in.cc: Use it.
* testsuite/27_io/basic_filebuf/sgetn/char/2-io.cc: Use it.
* testsuite/27_io/basic_filebuf/seekoff/12790-1.cc: Use it.
* testsuite/27_io/basic_filebuf/seekoff/12790-2.cc: Use it.
* testsuite/27_io/basic_filebuf/seekoff/12790-3.cc: Use it.
* testsuite/27_io/basic_filebuf/seekoff/12790-4.cc: Use it.
* testsuite/27_io/basic_filebuf/seekoff/char/1-in.cc: Use it.
* testsuite/27_io/basic_filebuf/seekoff/char/1-io.cc: Use it.
* testsuite/27_io/basic_filebuf/seekoff/char/1-out.cc: Use it.
* testsuite/27_io/basic_filebuf/seekoff/char/2-in.cc: Use it.
* testsuite/27_io/basic_filebuf/seekoff/char/2-io.cc: Use it.
* testsuite/27_io/basic_filebuf/seekoff/char/2-out.cc: Use it.
* testsuite/27_io/basic_filebuf/seekoff/char/3-in.cc: Use it.
* testsuite/27_io/basic_filebuf/seekoff/char/3-io.cc: Use it.
* testsuite/27_io/basic_filebuf/seekoff/char/3-out.cc: Use it.
* testsuite/27_io/basic_filebuf/seekoff/char/11543.cc: Use it.
* testsuite/27_io/basic_filebuf/seekoff/char/12790-1.cc: Use it.
* testsuite/27_io/basic_filebuf/seekoff/char/12790-2.cc: Use it.
* testsuite/27_io/basic_filebuf/seekoff/char/12790-3.cc: Use it.
* testsuite/27_io/basic_filebuf/seekoff/char/12790-4.cc: Use it.
* testsuite/27_io/basic_filebuf/in_avail/char/1.cc: Use it.
* testsuite/27_io/basic_filebuf/in_avail/char/9701-3.cc: Use it.
* testsuite/27_io/basic_filebuf/setbuf/char/1.cc: Use it.
* testsuite/27_io/basic_filebuf/setbuf/char/2.cc: Use it.
* testsuite/27_io/basic_filebuf/setbuf/char/3.cc: Use it.
* testsuite/27_io/basic_filebuf/setbuf/char/12875-1.cc: Use it.
* testsuite/27_io/basic_filebuf/setbuf/char/12875-2.cc: Use it.
* testsuite/27_io/basic_filebuf/sbumpc/char/1-in.cc: Use it.
* testsuite/27_io/basic_filebuf/sbumpc/char/1-io.cc: Use it.
* testsuite/27_io/basic_filebuf/sbumpc/char/2-in.cc: Use it.
* testsuite/27_io/basic_filebuf/sbumpc/char/2-io.cc: Use it.
* testsuite/27_io/basic_filebuf/sbumpc/char/9825.cc: Use it.
* testsuite/27_io/basic_filebuf/is_open/char/1.cc: Use it.
* testsuite/27_io/basic_filebuf/sputc/char/1-io.cc: Use it.
* testsuite/27_io/basic_filebuf/sputc/char/1-out.cc: Use it.
* testsuite/27_io/basic_filebuf/sputc/char/2-io.cc: Use it.
* testsuite/27_io/basic_filebuf/sputc/char/2-out.cc: Use it.
* testsuite/27_io/basic_filebuf/open/12790-1.cc: Use it.
* testsuite/27_io/basic_filebuf/open/char/1.cc: Use it.
* testsuite/27_io/basic_filebuf/open/char/2.cc: Use it.
* testsuite/27_io/basic_filebuf/open/char/3.cc: Use it.
* testsuite/27_io/basic_filebuf/overflow/char/2-unbuf.cc: Use it.
* testsuite/27_io/basic_filebuf/overflow/char/2.cc: Use it.
* testsuite/27_io/basic_filebuf/overflow/char/9988.cc: Use it.
* testsuite/27_io/basic_filebuf/overflow/char/9182-2.cc: Use it.
* testsuite/27_io/basic_filebuf/overflow/char/9169.cc: Use it.
* testsuite/27_io/basic_filebuf/snextc/char/1-in.cc: Use it.
* testsuite/27_io/basic_filebuf/snextc/char/1-io.cc: Use it.
* testsuite/27_io/basic_filebuf/snextc/char/2-in.cc: Use it.
* testsuite/27_io/basic_filebuf/snextc/char/2-io.cc: Use it.
* testsuite/27_io/basic_filebuf/sgetc/char/1-in.cc: Use it.
* testsuite/27_io/basic_filebuf/sgetc/char/1-io.cc: Use it.
* testsuite/27_io/basic_filebuf/sgetc/char/1-out.cc: Use it.
* testsuite/27_io/basic_filebuf/sgetc/char/2-in.cc: Use it.
* testsuite/27_io/basic_filebuf/sgetc/char/2-io.cc: Use it.
* testsuite/27_io/basic_filebuf/close/12790-1.cc: Use it.
* testsuite/27_io/basic_filebuf/close/char/1.cc: Use it.
* testsuite/27_io/basic_filebuf/close/char/12790-1.cc: Use it.
* testsuite/27_io/basic_filebuf/close/char/12790-2.cc: Use it.
* testsuite/27_io/basic_filebuf/close/char/2.cc: Use it.
* testsuite/27_io/basic_filebuf/close/char/12790-3.cc: Use it.
* testsuite/27_io/basic_filebuf/close/char/12790-4.cc: Use it.
* testsuite/27_io/basic_filebuf/close/char/4.cc: Use it.
* testsuite/27_io/basic_filebuf/underflow/10096.cc: Use it.
* testsuite/27_io/basic_filebuf/underflow/char/2.cc: Use it.
* testsuite/27_io/basic_filebuf/sungetc/char/1-in.cc: Use it.
* testsuite/27_io/basic_filebuf/sungetc/char/1-io.cc: Use it.
* testsuite/27_io/basic_filebuf/sungetc/char/2-in.cc: Use it.
* testsuite/27_io/basic_filebuf/sungetc/char/2-io.cc: Use it.
* testsuite/27_io/basic_filebuf/seekpos/12790-1.cc: Use it.
* testsuite/27_io/basic_filebuf/seekpos/12790-2.cc: Use it.
* testsuite/27_io/basic_filebuf/seekpos/12790-3.cc: Use it.
* testsuite/27_io/basic_filebuf/seekpos/char/12790-1.cc: Use it.
* testsuite/27_io/basic_filebuf/seekpos/char/12790-2.cc: Use it.
* testsuite/27_io/basic_filebuf/seekpos/char/12790-4.cc: Use it.
* testsuite/27_io/basic_filebuf/seekpos/char/1-in.cc: Use it.
* testsuite/27_io/basic_filebuf/seekpos/char/1-io.cc: Use it.
* testsuite/27_io/basic_filebuf/seekpos/char/1-out.cc: Use it.
* testsuite/27_io/basic_filebuf/seekpos/char/2-in.cc: Use it.
* testsuite/27_io/basic_filebuf/seekpos/char/2-io.cc: Use it.
* testsuite/27_io/basic_filebuf/seekpos/char/2-out.cc: Use it.
* testsuite/27_io/basic_filebuf/seekpos/char/3-in.cc: Use it.
* testsuite/27_io/basic_filebuf/seekpos/char/3-io.cc: Use it.
* testsuite/27_io/basic_filebuf/seekpos/char/3-out.cc: Use it.
* testsuite/27_io/basic_filebuf/sputn/char/1-io.cc: Use it.
* testsuite/27_io/basic_filebuf/sputn/char/1-out.cc: Use it.
* testsuite/27_io/basic_filebuf/sputn/char/2-io.cc: Use it.
* testsuite/27_io/basic_filebuf/sputn/char/2-out.cc: Use it.
* testsuite/27_io/basic_filebuf/sputn/char/9339.cc: Use it.
* testsuite/27_io/basic_filebuf/pbackfail/char/9761.cc: Use it.
* testsuite/27_io/basic_filebuf/sync/char/9182-1.cc: Use it.
* testsuite/21_strings/basic_string/inserters_extractors/char/10.cc: Use it.
* testsuite/21_strings/basic_string/inserters_extractors/char/11.cc: Use it.
* testsuite/21_strings/basic_string/inserters_extractors/char/5.cc: Use it.
From-SVN: r122913
Richard Sandiford