[Bug c++/77363] [5/6/7 Regression] Missing debug information in DWARF

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77363

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |jakub at gcc dot gnu.org

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 39513
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39513&action=edit
gcc7-pr77363.patch

Untested fix.  I believe the bug is that Richard changed just
gen_type_die_with_usage, but modified_type_die needs to be in sync in what that
function does, otherwise it can't look it up or looks up something different.