[Bug bootstrap/44302] [4.6 Regression] Failed to bootstrap

[hjl dot tools at gmail dot com]

------- Comment #3 from hjl dot tools at gmail dot com  2010-05-27 23:01 -------
This one avoids one extra is_naming_typedef_decl call:

---
Index: dwarf2out.c
===================================================================
--- dwarf2out.c (revision 159943)
+++ dwarf2out.c (working copy)
@@ -19401,6 +19401,7 @@ gen_typedef_die (tree decl, dw_die_ref c
   else
     {
       tree type;
+      bool naming_typedef_decl = is_naming_typedef_decl (decl);

       add_name_and_src_coords_attributes (type_die, decl);
       if (DECL_ORIGINAL_TYPE (decl))
@@ -19427,13 +19428,14 @@ gen_typedef_die (tree decl, dw_die_ref c
             generate that DIE right away. add_type_attribute
             called below will then pick (via lookup_type_die) that
             anonymous struct DIE.  */
-         gen_tagged_type_die (type, context_die, DINFO_USAGE_DIR_USE);
+         if (naming_typedef_decl)
+           gen_tagged_type_die (type, context_die, DINFO_USAGE_DIR_USE);
        }

       add_type_attribute (type_die, type, TREE_READONLY (decl),
                          TREE_THIS_VOLATILE (decl), context_die);

-      if (is_naming_typedef_decl (decl))
+      if (naming_typedef_decl)
        /* We want that all subsequent calls to lookup_type_die with
           TYPE in argument yield the DW_TAG_typedef we have just
           created.  */
---


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44302