[Bug c++/105169] Compiling C++ code with -fpatchable-function-entry=16,14 results in references to discarded sections

[marxin at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105169

--- Comment #9 from Martin Liška <marxin at gcc dot gnu.org> ---
> +         const char *sname = "__patchable_function_entries";
> +         const char *name = DECL_SECTION_NAME (current_function_decl);
> +
> +         dot = strchr (name + 1, '.');
> +         if (!dot)
> +           dot = name;
> +         len = strlen (dot) + strlen (sname) + 1;
> +         rname = (char *) alloca (len);
> +
> +         strcpy (rname, sname);
> +         strcat (rname, dot);

I would prefer using concat function, so something like:

          char *rname
            = concat ("__patchable_function_entries", dot, NULL);
          sect = get_section (rname, (SECTION_LINKONCE | flags),
                              current_function_decl);
          free (rname);