[libcxx-commits] [libcxx] [libc++][format] Don't instantiate direct `__(u)int128_t` visitation (PR #139662)

[Louis Dionne via libcxx-commits]

================
@@ -272,7 +272,7 @@ __handle_replacement_field(_Iterator __begin, _Iterator __end, _ParseCtx& __pars
     else if (__parse)
       __format::__compile_time_visit_format_arg(__parse_ctx, __ctx, __type);
   } else
-    std::__visit_format_arg(
+    std::__visit_format_arg<__format::__directly_visit_i128::__yes>(
----------------
ldionne wrote:

Can you explain why we want to visit directly as a int 128 here and not as a handle?

https://github.com/llvm/llvm-project/pull/139662