[Bug c++/109277] [13 Regression] type_traits:1417:30: error: invalid use of incomplete type ‘class v8::internal::WasmArray’

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109277

--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
So INVALID?  Is this change in behavior worth documenting in porting_to.html?
(does it make sense to have -fpermissive change the behavior of the builtin?)