From 327f904e2cc8942d8a6da277b6cc9d242f4159ff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timm=20B=C3=A4der?= <tbaeder@redhat.com>
Date: Wed, 24 Sep 2025 08:43:48 +0200
Subject: [PATCH] [clang][bytecode][test] Disable a bitcast test on s390x

Fixes #160374
---
 clang/test/AST/ByteCode/builtin-bit-cast.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/clang/test/AST/ByteCode/builtin-bit-cast.cpp b/clang/test/AST/ByteCode/builtin-bit-cast.cpp
index a12f305caf877..c1d29b2ca4c00 100644
--- a/clang/test/AST/ByteCode/builtin-bit-cast.cpp
+++ b/clang/test/AST/ByteCode/builtin-bit-cast.cpp
@@ -556,6 +556,8 @@ namespace VectorCast {
   }
   static_assert(test2() == 0);
 
+  /// On s390x, S is only 8 bytes.
+#if !defined(__s390x__)
   struct S {
     unsigned __int128 a : 3;
   };
@@ -569,6 +571,7 @@ namespace VectorCast {
   static_assert(s.a == 0); // ref-error {{not an integral constant expression}} \
                            // ref-note {{initializer of 's' is not a constant expression}}
 #endif
+#endif
 }
 #endif