[Bug debug/81936] ICE in dwarf2out_die_ref_for_decl, at dwarf2out.c:5543

[rguenther at suse dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81936

--- Comment #7 from rguenther at suse dot de <rguenther at suse dot de> ---
On Wed, 23 Aug 2017, vries at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81936
> 
> --- Comment #6 from Tom de Vries <vries at gcc dot gnu.org> ---
> > what failed to properly set its parent?
> 
> dwarf2out_early_finish contains:
> ...
>   /* Do not generate DWARF assembler now when not producing LTO bytecode.  */
>   if (!flag_generate_lto)
>     return;
> ...
> and this is triggered, so we never get to:
> ...
>   /* Stick a unique symbol to the main debuginfo section.  */
>   compute_comp_unit_symbol (comp_unit_die ());
> ...
> 
> The if condition should probably test for flag_generate_offload as well.

Ah, yeah.  And we can have both, right?  So we'd either need a separate
set of early debug sections or use a combined for both (this is what
will happen if you add && !flag_generate_offload I guess).