[llvm] [flang] [lldb] [clang] [libunwind] [compiler-rt] [libcxx] [libc] [lld] Remove wrong float-128 extension for CLang (PR #75909)

[Igor Popov via cfe-commits]

https://github.com/silver-popov updated https://github.com/llvm/llvm-project/pull/75909

>From 00edd52687d6e15f3453912b5dbf236714a386f9 Mon Sep 17 00:00:00 2001
From: Igor Popov <popov.nirvana at gmail.com>
Date: Tue, 19 Dec 2023 11:43:45 +0300
Subject: [PATCH] Remove wrong float-128 extension for CLang

---
 libc/src/__support/macros/properties/float.h | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/libc/src/__support/macros/properties/float.h b/libc/src/__support/macros/properties/float.h
index 756579024cad8b..1953a6b6ef6250 100644
--- a/libc/src/__support/macros/properties/float.h
+++ b/libc/src/__support/macros/properties/float.h
@@ -59,11 +59,6 @@ using float16 = _Float16;
      defined(LIBC_TARGET_ARCH_IS_X86_64))
 #define LIBC_COMPILER_HAS_C23_FLOAT128
 #endif
-#if (defined(LIBC_COMPILER_CLANG_VER) && (LIBC_COMPILER_CLANG_VER >= 500)) &&  \
-    (defined(LIBC_TARGET_ARCH_IS_X86_64) &&                                    \
-     !defined(LIBC_TARGET_OS_IS_FUCHSIA))
-#define LIBC_COMPILER_HAS_FLOAT128_EXTENSION
-#endif
 
 #if defined(LIBC_COMPILER_HAS_C23_FLOAT128)
 using float128 = _Float128;