[clang][bytecode][test] Disable a bitcast test on s390x (#160452)

tbaederr · web-flow · commit e86209c04e53 · 2025-09-24T12:37:18.000+02:00
Fixes #160374
diff --git 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
 

Original file line number	Diff line number	Diff line change
`@@ -556,6 +556,8 @@ namespace VectorCast {`
`556`	`556`	`}`
`557`	`557`	`static_assert(test2() == 0);`
`558`	`558`
	`559`	`+ /// On s390x, S is only 8 bytes.`
	`560`	`+#if !defined(__s390x__)`
`559`	`561`	`struct S {`
`560`	`562`	`unsigned __int128 a : 3;`
`561`	`563`	`};`
`@@ -569,6 +571,7 @@ namespace VectorCast {`
`569`	`571`	`static_assert(s.a == 0); // ref-error {{not an integral constant expression}} \`
`570`	`572`	`// ref-note {{initializer of 's' is not a constant expression}}`
`571`	`573`	`#endif`
	`574`	`+#endif`
`572`	`575`	`}`
`573`	`576`	`#endif`
`574`	`577`