https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65559
--- Comment #34 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Rainer Emrich from comment #30)
> I'm testing the following instead:
>
> Index: gcc/lto-wrapper.c
> ===================================================================
> --- gcc/lto-wrapper.c (Revision 222611)
> +++ gcc/lto-wrapper.c (Arbeitskopie)
> @@ -934,12 +934,9 @@ run_gcc (unsigned argc, char *argv[])
> filename[p - argv[i]] = '\0';
> file_offset = (off_t) loffset;
> }
> - fd = open (argv[i], O_RDONLY);
> + fd = open (argv[i], O_RDONLY|O_BINARY);
> if (fd == -1)
> - {
> - lto_argv[lto_argc++] = argv[i];
> - continue;
> - }
> + continue;
Note that passing filename instead of argv[i] is most certainly also good
(though I was trying to figure out if that's a separate issue or not).
>
> if (find_and_merge_options (fd, file_offset, LTO_SECTION_NAME_PREFIX,
> &fdecoded_options, &fdecoded_options_count,
