[Bug debug/94847] -fdebug-types-section drops const in type

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94847

--- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> ---
Created attachment 48407
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48407&action=edit
Test case