[Bug lto/69136] [6 Regression] ICE in lto_symtab_prevailing_virtual_decl, at lto/lto-symtab.c:991

[hubicka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69136

--- Comment #4 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
Aha, it is abstract decl.  I am testing:

Index: ../../gcc/lto/lto-symtab.c
===================================================================
--- ../../gcc/lto/lto-symtab.c  (revision 232466)
+++ ../../gcc/lto/lto-symtab.c  (working copy)
@@ -987,6 +1008,8 @@ lto_symtab_merge_symbols (void)
 tree
 lto_symtab_prevailing_virtual_decl (tree decl)
 {
+  if (DECL_ABSTRACT_P (decl))
+    return decl;
   gcc_checking_assert (!type_in_anonymous_namespace_p (DECL_CONTEXT (decl))
                       && DECL_ASSEMBLER_NAME_SET_P (decl));