[Bug debug/64817] [5 Regression] compilation hangs at -O3 with -g enabled on x86_64-linux-gnu

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64817

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 34626
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34626&action=edit
gcc5-pr64817.patch

Untested fix.  This inserts debug temporaries into too deep TER chains from
debug stmts, so that there is better sharing of the debug temporaries and the
depths for the simplifications aren't that deep.