re PR c++/52906 (ICE: SIGSEGV in check_tag_decl (decl.c:4230) with…

re PR c++/52906 (ICE: SIGSEGV in check_tag_decl (decl.c:4230) with "__attribute__ ((__deprecated__));" alone)

	PR c++/52906
	* decl.c (check_tag_decl): Don't complain about attributes if we
	don't even have a type.

From-SVN: r186345

gcc/cp/ChangeLog

+2012-04-11  Jason Merrill  <jason@redhat.com>
+
+	PR c++/52906
+	* decl.c (check_tag_decl): Don't complain about attributes if we
+	don't even have a type.
+
 2012-04-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 
 	* cvt.c (convert_to_void): Update comment.

gcc/cp/decl.c

@@ -4224,7 +4224,7 @@ check_tag_decl (cp_decl_specifier_seq *declspecs)
         error ("%<constexpr%> cannot be used for type declarations");
     }
 
-  if (declspecs->attributes && warn_attributes)
+  if (declspecs->attributes && warn_attributes && declared_type)
     {
       location_t loc;
       if (!CLASS_TYPE_P (declared_type)

gcc/testsuite/ChangeLog

 2012-04-11  Jason Merrill  <jason@redhat.com>
 
+	PR c++/52906
+	* g++.dg/ext/attrib45.C: New.
+
 	* g++.dg/eh/dtor3.C: New.
 
 2012-04-11  Richard Guenther  <rguenther@suse.de>

gcc/testsuite/g++.dg/ext/attrib45.C

+// PR c++/52906
+
+__attribute__ ((__deprecated__)); // { dg-error "does not declare anything" }