================ @@ -13,6 +13,7 @@ #include "llvm/Support/Allocator.h" #include "llvm/Support/ErrorHandling.h" #include <cassert> +#include <type_traits> ---------------- martinboehme wrote: Inadvertent change? (There are no other changes in this file.) https://github.com/llvm/llvm-project/pull/66424