[clang] [llvm] [WIP] ABI Lowering Library (PR #140112)

[Nikita Popov via cfe-commits]

================
@@ -0,0 +1,78 @@
+#ifndef LLVM_ABI_QUALTYPE_MAPPER_H
+#define LLVM_ABI_QUALTYPE_MAPPER_H
+
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/Support/Allocator.h"
+#include <clang/AST/ASTContext.h>
+#include <clang/AST/Decl.h>
+#include <clang/AST/Type.h>
+#include <llvm/ABI/Types.h>
+#include <llvm/ADT/DenseMap.h>
----------------
nikic wrote:

Should always use `""` for non-system headers.

https://github.com/llvm/llvm-project/pull/140112