On Fri, May 29, 2026 at 02:14:23AM +0800, yxj-github-437 wrote:
> I try compile reflection test code with std module without
> -freflection but build std module with -freflection. An ICE
> accur when I do this.
Can you give us instruction to reproduce the crash?
> With debug, the std::meta::info cannot find original type (this
> is a builtin type with -freflection), so add a DECL_ORIGINAL_TYPE
> check.
>
> gcc/cp/ChangeLog:
> * module.cc(trees_in::decl_value): handle typedef
> with DECL_ORIGINAL_TYPE check
> ---
> gcc/cp/module.cc | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/gcc/cp/module.cc b/gcc/cp/module.cc
> index 02e53ef3969..04d9c62bc6e 100644
> --- a/gcc/cp/module.cc
> +++ b/gcc/cp/module.cc
> @@ -8959,7 +8959,7 @@ trees_in::decl_value ()
> back_refs[~tag] = decl;
> }
>
> - if (is_typedef)
> + if (is_typedef && DECL_ORIGINAL_TYPE (inner))
> {
> /* Frob it to be ready for cloning. */
> TREE_TYPE (inner) = DECL_ORIGINAL_TYPE (inner);
> --
> 2.53.0
>
Marek
