[clang] [llvm] [Clang] Fix definition of layout-compatible to ignore empty classes (PR #92103)

[Vlad Serebrennikov via llvm-commits]

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@@ -561,6 +561,42 @@ void CXXRecordDecl::addedClassSubobject(CXXRecordDecl *Subobj) {
     data().StructuralIfLiteral = false;
 }
 
+const CXXRecordDecl *CXXRecordDecl::getStandardLayoutBaseWithFields() const {
+#ifndef NDEBUG
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Endilll wrote:

We have `EXPENSIVE_CHECKS` macro to guard expensive checks.

https://github.com/llvm/llvm-project/pull/92103