[glibc/azanella/clang] i386: Disable math_opt_barrier and math_force_eval for clang

[Adhemerval Zanella]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4f159526dea6151ca19eafd85a7fc43d9d405ff9

commit 4f159526dea6151ca19eafd85a7fc43d9d405ff9
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Tue Jul 26 08:45:02 2022 -0300

    i386: Disable math_opt_barrier and math_force_eval for clang
    
    It triggers an ICE with clang while building round_and_return.

Diff:
---
 sysdeps/x86/fpu/math-barriers.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sysdeps/x86/fpu/math-barriers.h b/sysdeps/x86/fpu/math-barriers.h
index 6fdcdac280..59577b77ea 100644
--- a/sysdeps/x86/fpu/math-barriers.h
+++ b/sysdeps/x86/fpu/math-barriers.h
@@ -19,7 +19,7 @@
 #ifndef X86_MATH_BARRIERS_H
 #define X86_MATH_BARRIERS_H 1
 
-#ifdef __SSE2_MATH__
+#if defined __SSE2_MATH__ && !defined (__clang__)
 # define math_opt_barrier(x)						\
   ({ __typeof(x) __x;							\
      if (sizeof (x) <= sizeof (double)					\