[glibc/azanella/clang] math: Fix test-totalorderl-ldbl-96 exponent setting

[Adhemerval Zanella <azanella@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9811dc9e83dbab2e01de43b19ca60c9916ee8a13

commit 9811dc9e83dbab2e01de43b19ca60c9916ee8a13
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Thu Mar 24 15:14:35 2022 -0300

    math: Fix test-totalorderl-ldbl-96 exponent setting
    
    Clang issues the following warning:
    
      ../sysdeps/ieee754/ldbl-96/test-totalorderl-ldbl-96.c:49:2: error:
      implicit truncation from 'int' to bit-field changes value from 65535 to
      -1 [-Werror,-Wbitfield-constant-conversion]
              SET_LDOUBLE_WORDS (ldnx, 0xffff,
              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      ../sysdeps/x86_64/fpu/math_ldbl.h:56:28: note: expanded from macro
      'SET_LDOUBLE_WORDS'
        iw_u.parts.sign_exponent = (exp);                             \
                                 ^ ~~~~~
      ../sysdeps/ieee754/ldbl-96/test-totalorderl-ldbl-96.c:51:2: error:
      implicit truncation from 'int' to bit-field changes value from 65535 to
      -1 [-Werror,-Wbitfield-constant-conversion]
              SET_LDOUBLE_WORDS (ldny, 0xffff,
              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      ../sysdeps/x86_64/fpu/math_ldbl.h:56:28: note: expanded from macro
      'SET_LDOUBLE_WORDS'
        iw_u.parts.sign_exponent = (exp);                             \
                                 ^ ~~~~~

Diff:
---
 sysdeps/ieee754/ldbl-96/test-totalorderl-ldbl-96.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sysdeps/ieee754/ldbl-96/test-totalorderl-ldbl-96.c b/sysdeps/ieee754/ldbl-96/test-totalorderl-ldbl-96.c
index ce0fc3d25b..159d64155e 100644
--- a/sysdeps/ieee754/ldbl-96/test-totalorderl-ldbl-96.c
+++ b/sysdeps/ieee754/ldbl-96/test-totalorderl-ldbl-96.c
@@ -46,9 +46,9 @@ do_test (void)
 	SET_LDOUBLE_WORDS (ldy, 0x7fff,
 			   (tests[i] >> 32) | 0x80000000,
 			   tests[i] & 0xffffffffULL);
-	SET_LDOUBLE_WORDS (ldnx, 0xffff,
+	SET_LDOUBLE_WORDS (ldnx, -1,
 			   tests[i] >> 32, tests[i] & 0xffffffffULL);
-	SET_LDOUBLE_WORDS (ldny, 0xffff,
+	SET_LDOUBLE_WORDS (ldny, -1,
 			   (tests[i] >> 32) | 0x80000000,
 			   tests[i] & 0xffffffffULL);
 	bool to1 = totalorderl (&ldx, &ldy);