[clang] [llvm] [Clang][X86] Add Clang23Compat for __int128 bit-field ABI change (PR #220788)

[Benjamin Luke via cfe-commits]

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@@ -433,6 +433,7 @@ CodeGenModule::getLLVMABITargetInfo(llvm::abi::TypeBuilder &TB) {
         Compat > LangOptions::ClangABI::Ver20 && !T.isPS();
     CompatInfo.Clang11Compat =
         Compat <= LangOptions::ClangABI::Ver11 || T.isPS();
+    CompatInfo.ClassifyUnnamedBitFields = Compat > LangOptions::ClangABI::Ver23;
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freaknbigpanda wrote:

&& !T.isPS()

https://github.com/llvm/llvm-project/pull/220788