[glibc/azanella/clang] stdio: Fix clang warnings for tst-unlockedio

[Adhemerval Zanella <azanella@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8d00c715f6e549cb66e51dc2212b163811cd3834

commit 8d00c715f6e549cb66e51dc2212b163811cd3834
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Thu Mar 24 16:03:16 2022 -0300

    stdio: Fix clang warnings for tst-unlockedio

Diff:
---
 stdio-common/tst-unlockedio.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/stdio-common/tst-unlockedio.c b/stdio-common/tst-unlockedio.c
index 83b3e5594a..6f109ba330 100644
--- a/stdio-common/tst-unlockedio.c
+++ b/stdio-common/tst-unlockedio.c
@@ -51,6 +51,9 @@ do_test (void)
      fread_unlocked below as well.  */
   DIAG_PUSH_NEEDS_COMMENT;
   DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wdiv-by-zero");
+  /* clang warns about the implicit conversion from double to size_t,
+     which is required by this tests.  */
+  DIAG_IGNORE_NEEDS_COMMENT_CLANG (13, "-Wliteral-conversion");
   if (ftello (fp) != 0
       || fwrite_unlocked (blah, blah - blah, strlen (blah), f++) != 0
       || f != fp + 1
@@ -104,6 +107,7 @@ do_test (void)
   /* See explanation above.  */
   DIAG_PUSH_NEEDS_COMMENT;
   DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wdiv-by-zero");
+  DIAG_IGNORE_NEEDS_COMMENT_CLANG (13, "-Wliteral-conversion");
   if (ftello (fp) != 0
       || fread_unlocked (buf, buf - buf, strlen (blah), f++) != 0
       || f != fp + 1