https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116015
--- Comment #7 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
As in bug 100252, we have:
D.2872 = {.rows=(&<PLACEHOLDER_EXPR struct Widget>)->n,
.outer_stride=(&<PLACEHOLDER_EXPR struct MatrixLayout>)->rows}
that is, two PLACEHOLDER_EXPRs for different types on the same level in one {
}.
