[Bug tree-optimization/116161] -fcompare-debug -gno-statement-frontiers failure with -O3 -march=znver3 -mshstk when building rapidfuzz

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116161

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #4)
> vect_create_addr_base_for_vector_ref(In reply to Jakub Jelinek from comment
> #3)
> > Seems the mismatches are in some var names, like
> Which I think comes from SRA which comes from the struct names of base class
> (which are not named) in C++ cases.
> 
> Specifically make_fancy_decl_name in tree-sra.cc:
>       sprintf (buffer, "D%u", DECL_UID (decl));
>       obstack_grow (&name_obstack, buffer, strlen (buffer));
> 
> If so this should most likely just turned into:
> obstack_grow (&name_obstack, "__D", 3);
> 
> or something like that.

Which has come up before in bug 70594 comment #6 (and afterwards) ...