[Bug lto/78129] -Werror=suggest-final-types leads to -ENOSPC.

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78129

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Ah - I think a simpler pass would be

diff --git a/gcc/lto/lto.c b/gcc/lto/lto.c
index 7256ff9..c1567ca 100644
--- a/gcc/lto/lto.c
+++ b/gcc/lto/lto.c
@@ -3092,6 +3092,10 @@ do_whole_program_analysis (void)

   execute_ipa_pass_list (g->get_passes ()->all_regular_ipa_passes);

+  /* When WPA analysis raises errors, do not bother to output anything.  */
+  if (seen_error ())
+    return;
+
   if (symtab->dump_file)
     {
       fprintf (symtab->dump_file, "Optimized ");