(type_attribute): Use the TYPE_MAIN_VARIANT of the

given type when calling `user_def_type_attribute'.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@4005 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 10 insertions, 1 deletions

diff --git a/gcc/dwarfout.c b/gcc/dwarfout.c
index b70a467ca94..b2552a66d32 100644
--- a/gcc/dwarfout.c
+++ b/gcc/dwarfout.c
@@ -2827,7 +2827,16 @@ type_attribute (type, decl_const, decl_volatile)
     if (root_type_modified)
 	mod_u_d_type_attribute (type, decl_const, decl_volatile);
     else
-	user_def_type_attribute (type);
+	/* We have to get the TYPE_MAIN_VARIANT here (and pass that to the
+	   `user_def_type_attribute' routine) because the ..._TYPE node we
+	   have might simply be a *copy* of some original type node (where
+	   the copy was created to help us keep track of typedef names)
+	   and that copy might have a different TYPE_UID from the original
+	   ..._TYPE node.  (Note that when `equate_type_number_to_die_number'
+	   is labeling a given type DIE for future reference, it always and
+	   only creates labels for DIEs representing *main variants*, and it
+	   never even knows about non-main-variants.)  */
+	user_def_type_attribute (TYPE_MAIN_VARIANT (type));
 }
 
 /* Given a tree pointer to a struct, class, union, or enum type node, return