* posix/regex_internal.h: Add forward declaration of re_dfa_t.
Replace last two parameters of re_string_allocate and
re_string_construct with pointer to DFA.
(re_dfa_t): Add map_notascii field.
* posix/regcomp.c (re_compile_internal): Add call of
re_string_construct.
(init_dfa): Initialize mpa_notascii.
* posix/regex_internal.c: Adjust definitions of re_string_allocate
and re_string_construct.
Pass DFA to re_string_construct. Adjust definition. Initialize
map_notascii field.
(build_wcs_upper_buffer): If map_notascii is zero use simplfied
method to map ASCII values to upper case.
* posix/regex.c: Include localeinfo.h.
* posix/regexec.c: Adjust call of re_string_allocate.
* locale/langinfo.h: Add _NL_CTYPE_MAP_TO_NONASCII.
* locale/localeinfo.h (LIMAGIC): Change value.
* locale/categories.def. Add entry for _NL_CTYPE_MAP_TO_NONASCII.
* locale/C-ctype.h: Likewise.
* locale/programs/ld-ctype.c: Compute whether any mapping maps from
ASCII to non-ASCII value. Write out that value.
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