stdio: Suppress clang warnings for tst-unlockedio.c

Suppress the following -Wgnu-folding-constant and -Wliteral-conversion
warnings from Clang:

  tst-unlockedio.c:35:12: error: variable length array folded to constant array as an extension [-Werror,-Wgnu-folding-constant]
   35 |   char buf[strlen (blah) + 1];
      |            ^~~~~~~~~~~~~~~~~

  tst-unlockedio.c:63:36: error: implicit conversion from 'double' to
  'size_t' (aka 'unsigned long') changes value from -0 to 0
  [-Werror,-Wliteral-conversion]
        || fwrite_unlocked (blah, 0, -0.0, fp) != 0
           ~~~~~~~~~~~~~~~           ^~~~
  tst-unlockedio.c:61:33: error: implicit conversion from 'double' to
  'size_t' (aka 'unsigned long') changes value from 0.25 to 0
  [-Werror,-Wliteral-conversion]
        || fwrite_unlocked (--cp, 0.25, 16, fp) != 0
           ~~~~~~~~~~~~~~~        ^~~~
  tst-unlockedio.c:59:37: error: implicit conversion from 'double' to
  'size_t' (aka 'unsigned long') changes value from 0.25 to 0
  [-Werror,-Wliteral-conversion]
        || fwrite_unlocked (cp++, 16, 0.25, fp) != 0
           ~~~~~~~~~~~~~~~            ^~~~
  tst-unlockedio.c:116:34: error: implicit conversion from 'double' to
  'size_t' (aka 'unsigned long') changes value from -0 to 0
  [-Werror,-Wliteral-conversion]
        || fread_unlocked (buf, 0, -0.0, fp) != 0
           ~~~~~~~~~~~~~~          ^~~~
  tst-unlockedio.c:114:32: error: implicit conversion from 'double' to
  'size_t' (aka 'unsigned long') changes value from 0.25 to 0
  [-Werror,-Wliteral-conversion]
        || fread_unlocked (--wp, 0.25, 16, fp) != 0
           ~~~~~~~~~~~~~~        ^~~~
  tst-unlockedio.c:112:36: error: implicit conversion from 'double' to
  'size_t' (aka 'unsigned long') changes value from 0.25 to 0
  [-Werror,-Wliteral-conversion]
        || fread_unlocked (wp++, 16, 0.25, fp) != 0
           ~~~~~~~~~~~~~~            ^~~~

Co-Authored-By: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Sam James <sam@gentoo.org>

0 files changed, 0 insertions, 0 deletions