From 614bac3f30c3ba76bb726fab80b27dc433457d38 Mon Sep 17 00:00:00 2001
From: jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 28 Aug 2007 13:57:09 +0000
Subject: [PATCH]         PR c++/28558         * cp/decl.c (groktypename):
 Ignore attributes applied to class type.         *
 testsuite/g++.dg/ext/attrib28.C: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@127859 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/cp/ChangeLog                    |  5 +++++
 gcc/cp/decl.c                       |  8 +++++++-
 gcc/testsuite/ChangeLog             |  5 +++++
 gcc/testsuite/g++.dg/ext/attrib28.C | 12 ++++++++++++
 4 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 gcc/testsuite/g++.dg/ext/attrib28.C

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index a6222faae7a..03d6b51c1a6 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+2007-08-27  Jason Merrill  <jason@redhat.com>
+
+	PR c++/28558
+	* decl.c (groktypename): Ignore attributes applied to class type.
+
 2007-08-28  Richard Guenther  <rguenther@suse.de>
 
 	* decl.c (duplicate_decls): Merge DECL_DISREGARD_INLINE_LIMITS.
diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
index fdccb3542ad..3117a7a33eb 100644
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -3877,7 +3877,13 @@ groktypename (cp_decl_specifier_seq *type_specifiers,
   type_specifiers->attributes = NULL_TREE;
   type = grokdeclarator (declarator, type_specifiers, TYPENAME, 0, &attrs);
   if (attrs)
-    cplus_decl_attributes (&type, attrs, 0);
+    {
+      if (CLASS_TYPE_P (type))
+	warning (OPT_Wattributes, "ignoring attributes applied to class type "
+		 "outside of definition");
+      else
+	cplus_decl_attributes (&type, attrs, 0);
+    }
   return type;
 }
 
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index f3a78804c85..b71ec15f826 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2007-08-28  Jason Merrill  <jason@redhat.com>
+
+	PR c++/28558
+	* g++.dg/ext/attrib28.C: New test.
+
 2007-08-28  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR target/32661
diff --git a/gcc/testsuite/g++.dg/ext/attrib28.C b/gcc/testsuite/g++.dg/ext/attrib28.C
new file mode 100644
index 00000000000..2f18d418418
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ext/attrib28.C
@@ -0,0 +1,12 @@
+// PR c++/28558
+// { dg-options "" }
+
+struct A
+{
+  A(int) { }
+};
+
+int main()
+{
+  A a = (A __attribute__((unused)))0; // { dg-warning "attribute" }
+}
-- 
2.11.4.GIT