Fix build warnings in locale/programs/ld-ctype.c
This patch fixes the gcc warnings seen with gcc 9 -march>=z13 on s390x: programs/ld-ctype.c: In function ‘ctype_read’: programs/ld-ctype.c:1392:13: error: ‘wch’ may be used uninitialized in this function [-Werror=maybe-uninitialized] 1392 | uint32_t wch; | ^~~ programs/ld-ctype.c:1401:7: error: ‘seq’ may be used uninitialized in this function [-Werror=maybe-uninitialized] 1401 | if (seq != NULL && seq->nbytes == 1) | ^ programs/ld-ctype.c:1391:20: note: ‘seq’ was declared here 1391 | struct charseq *seq; | ^~~ Both seq and wch are uninitialized if get_character fails. Thus we are now returning with an error. ChangeLog: * locale/programs/ld-ctype.c (charclass_symbolic_ellipsis): Return error if get_character fails.
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