[gn build] Port c4e98722ca79

diff --git a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
index 8abb3be..04b0eff 100644 (file)
--- a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
+++ b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
@@ -773,6 +773,7 @@ if (current_toolchain == default_toolchain) {
       "__type_traits/conjunction.h",
       "__type_traits/copy_cv.h",
       "__type_traits/copy_cvref.h",
+      "__type_traits/datasizeof.h",
       "__type_traits/decay.h",
       "__type_traits/dependent_type.h",
       "__type_traits/disjunction.h",