[glibc/google/grte/v5-2.27/master] Make xxland syntax gcc-only

[glibc/google/grte/v5-2.27/master] Make xxland syntax gcc-only

[Fangrui Song]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4b86f820b82dc9e55c689c4374d7f5a73cd5305c

commit 4b86f820b82dc9e55c689c4374d7f5a73cd5305c
Author: Stan Shebs <stanshebs@google.com>
Date:   Wed Sep 26 14:14:49 2018 -0700

    Make xxland syntax gcc-only

Diff:
---
 sysdeps/powerpc/fpu/s_float_bitwise.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/sysdeps/powerpc/fpu/s_float_bitwise.h b/sysdeps/powerpc/fpu/s_float_bitwise.h
index 6608692096..6be2983d8e 100644
--- a/sysdeps/powerpc/fpu/s_float_bitwise.h
+++ b/sysdeps/powerpc/fpu/s_float_bitwise.h
@@ -27,7 +27,7 @@ static inline int
 __float_and_test28 (float num, float value)
 {
   float ret;
-#ifdef _ARCH_PWR7
+#if defined _ARCH_PWR7 && !defined __clang__
   union {
     int i;
     float f;
@@ -51,7 +51,7 @@ static inline int
 __float_and_test24 (float num, float value)
 {
   float ret;
-#ifdef _ARCH_PWR7
+#if defined _ARCH_PWR7 && !defined __clang__
   union {
     int i;
     float f;
@@ -73,7 +73,7 @@ static inline float
 __float_and8 (float num)
 {
   float ret;
-#ifdef _ARCH_PWR7
+#if defined _ARCH_PWR7 && !defined __clang__
   union {
     int i;
     float f;
@@ -95,7 +95,7 @@ static inline int32_t
 __float_get_exp (float num)
 {
   int32_t inum;
-#ifdef _ARCH_PWR7
+#if defined _ARCH_PWR7 && !defined __clang__
   float ret;
   union {
     int i;