[Bug debug/101905] [9/10/11/12 Regression] Missed debug information for global register variable

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101905

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
--- gcc/dwarf2out.c.jj  2021-08-17 09:25:08.196923026 +0200
+++ gcc/dwarf2out.c     2021-08-18 23:18:56.284227245 +0200
@@ -24477,7 +24477,9 @@ gen_variable_die (tree decl, tree origin
     {
       if (early_dwarf)
        add_pubname (decl_or_origin, var_die);
-      else
+      if (!early_dwarf
+         || (DECL_HARD_REGISTER (decl_or_origin)
+             && TREE_STATIC (decl_or_origin)))
        add_location_or_const_value_attribute (var_die, decl_or_origin,
                                               decl == NULL);
     }
isn't sufficient because add_location_or_const_value_attribute has an early
exit for early_dwarf...