re PR c++/27559 (ICE on templated operator new)

	PR c++/27559
	* pt.c (push_template_decl_real): Return error_mark_node instead
	of broken decl.

	* g++.dg/template/new4.C: New test.

From-SVN: r113777

gcc/cp/ChangeLog

 2006-05-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 
+	PR c++/27559
+	* pt.c (push_template_decl_real): Return error_mark_node instead
+	of broken decl.
+
 	PR c++/27496
 	* pt.c (tsubst_friend_class): Return early on invalid friend
 	declarations.

gcc/cp/pt.c

@@ -3009,7 +3009,7 @@ push_template_decl_real (tree decl, bool is_friend)
 		 template. ... Template allocation functions shall
 		 have two or more parameters.  */
 	      error ("invalid template declaration of %qD", decl);
-	      return decl;
+	      return error_mark_node;
 	    }
 	}
       else if (DECL_IMPLICIT_TYPEDEF_P (decl)

gcc/testsuite/ChangeLog

 2006-05-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 
+	PR c++/27559
+	* g++.dg/template/new4.C: New test.
+
 	PR c++/27496
 	* g++.dg/template/void2.C: New test.
 

gcc/testsuite/g++.dg/template/new4.C

+// PR c++/27559
+// { dg-do compile }
+
+struct A
+{
+    template<typename T>
+    static void* operator new(T) {} // { dg-error "first parameter|invalid template" }
+};