[Bug localedata/31336] New: Glibc tests failed to compile with GCC 14

["hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=31336

            Bug ID: 31336
           Summary: Glibc tests failed to compile with GCC 14
           Product: glibc
           Version: 2.40
            Status: NEW
          Severity: normal
          Priority: P2
         Component: localedata
          Assignee: unassigned at sourceware dot org
          Reporter: hjl.tools at gmail dot com
                CC: libc-locales at sourceware dot org
  Target Milestone: ---

I got

In file included from tests-mbwc/tst_iswalnum.c:7:
tests-mbwc/tsp_common.c: In function ?result.constprop.isra?:
tests-mbwc/tsp_common.c:55:43: error: ?%s? directive writing up to 92 bytes
into a region of size between 2 and 114 [-Werror=format-overflow=]
   55 |   sprintf (result_rec, "%s:%s:%d:%d:%d:%c:%s\n", func, loc, rec_no,
seq_no,
      |                                           ^~
tests-mbwc/tsp_common.c:55:3: note: ?sprintf? output between 20 and 224 bytes
into a destination of size 132
   55 |   sprintf (result_rec, "%s:%s:%d:%d:%d:%c:%s\n", func, loc, rec_no,
seq_no,
      |  
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   56 |            case_no, res, msg); 
      |            ~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
make[4]: *** [../o-iterator.mk:9:
/export/build/gnu/tools-build/glibc-test/build-x86_64-linux/localedata/tst_iswalnum.o]
Error 1

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