[newlib-cygwin/main] Cygwin: GetArm64ProcAddress: drop unsupported __i386__ code branch

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=6555247a453e05f8e014092bf1df9447c11fd6ed

commit 6555247a453e05f8e014092bf1df9447c11fd6ed
Author:     Corinna Vinschen <corinna@vinschen.de>
AuthorDate: Thu Jul 3 17:15:58 2025 +0200
Commit:     Corinna Vinschen <corinna@vinschen.de>
CommitDate: Thu Jul 3 17:15:58 2025 +0200

    Cygwin: GetArm64ProcAddress: drop unsupported __i386__ code branch
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/aarch64/fastcwd.cc | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/winsup/cygwin/aarch64/fastcwd.cc b/winsup/cygwin/aarch64/fastcwd.cc
index e53afc00467e..17ce6bbf3dee 100644
--- a/winsup/cygwin/aarch64/fastcwd.cc
+++ b/winsup/cygwin/aarch64/fastcwd.cc
@@ -23,10 +23,7 @@ GetArm64ProcAddress (HMODULE hModule, LPCSTR procname)
 #if defined (__aarch64__)
   return proc;
 #else
-#if defined (__i386__)
-  static const BYTE thunk[] = "\x8b\xff\x55\x8b\xec\x5d\x90\xe9";
-  static const BYTE thunk2[0];
-#elif defined (__x86_64__)
+#if defined (__x86_64__)
   /* see
      https://learn.microsoft.com/en-us/windows/arm/arm64ec-abi#fast-forward-sequences */
   static const BYTE thunk[] = "\x48\x8b\xc4\x48\x89\x58\x20\x55\x5d\xe9";