[clang] [clang][Sema] Track trivial-relocatability as a type trait (PR #84621)

[Timm Baeder via cfe-commits]

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@@ -2680,8 +2680,8 @@ bool QualType::isTriviallyRelocatableType(const ASTContext &Context) const {
     return false;
   } else if (!BaseElementType->isObjectType()) {
     return false;
-  } else if (const auto *RD = BaseElementType->getAsRecordDecl()) {
-    return RD->canPassInRegisters();
+  } else if (CXXRecordDecl *RD = BaseElementType->getAsCXXRecordDecl()) {
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tbaederr wrote:

The `const auto *` was more our coding style.

https://github.com/llvm/llvm-project/pull/84621