[Bug debug/83157] [6/7/8 regression] gcc.dg/guality/pr41616-1.c fail, inline instances refer to concrete instance as abstract origin

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83157

--- Comment #13 from Richard Biener <rguenth at gcc dot gnu.org> ---
So r224161 (hey Aldy!) caused this bogus DW_AT_abstract_origin and

Index: gcc/dwarf2out.c
===================================================================
--- gcc/dwarf2out.c     (revision 255167)
+++ gcc/dwarf2out.c     (working copy)
@@ -21231,10 +21231,8 @@ gen_variable_die (tree decl, tree origin
        {
          /* If we will be creating an inlined instance, we need a
             new DIE that will get annotated with
-            DW_AT_abstract_origin.  Clear things so we can get a
-            new DIE.  */
+            DW_AT_abstract_origin.  */
          gcc_assert (!DECL_ABSTRACT_P (decl));
-         old_die = NULL;
        }
       else
        {

fixes that (but not the guality FAIL).