https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99650
--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-9 branch has been updated by Jakub Jelinek <ja...@gcc.gnu.org>: https://gcc.gnu.org/g:dd320787b4eb11521e3ae3f9aa9504b31ee08c36 commit r9-9436-gdd320787b4eb11521e3ae3f9aa9504b31ee08c36 Author: Jakub Jelinek <ja...@redhat.com> Date: Tue Mar 23 10:23:42 2021 +0100 c++: Diagnose references to void in structured bindings [PR99650] We ICE on the following testcase, because std::tuple_element<...,...>::type is void and for structured bindings we therefore need to create void & or void && which is invalid. We created such REFERENCE_TYPE and later ICEd in the middle-end. The following patch fixes it by diagnosing that. 2021-03-23 Jakub Jelinek <ja...@redhat.com> PR c++/99650 * decl.c (cp_finish_decomp): Diagnose void initializers when using tuple_element and get. * g++.dg/cpp1z/decomp55.C: New test. (cherry picked from commit d5e379e3fe19362442b5d0ac608fb8ddf67fecd3)
