[clang] [clang] Return larger CXX records in memory (PR #120670)

[Pranav Kant via cfe-commits]

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@@ -1334,6 +1334,16 @@ class X86_64ABIInfo : public ABIInfo {
     return T.isOSLinux() || T.isOSNetBSD();
   }
 
+  bool returnCXXRecordGreaterThan128InMem() const {
+    // Clang <= 20.0 did not do this.
+    if (getContext().getLangOpts().getClangABICompat() <=
+        LangOptions::ClangABI::Ver20)
+      return false;
+
+    const llvm::Triple &T = getTarget().getTriple();
+    return T.isOSLinux() || T.isOSNetBSD();
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pranavk wrote:

Done. 

https://github.com/llvm/llvm-project/pull/120670