pt.c (determine_specialization): Ignore artificial functions.

2001-05-20  Kriang Lerdsuwanakij  <lerdsuwa@users.sourceforge.net>

	* pt.c (determine_specialization): Ignore artificial functions.

2001-05-20  Kriang Lerdsuwanakij  <lerdsuwa@users.sourceforge.net>

	* g++.old-deja/g++.pt/spec41.C: New test.

From-SVN: r42342

gcc/cp/ChangeLog

+2001-05-20  Kriang Lerdsuwanakij  <lerdsuwa@users.sourceforge.net>
+
+	* pt.c (determine_specialization): Ignore artificial functions.
+
 2001-05-20  Neil Booth  <neil@daikokuya.demon.co.uk>
 
 	* cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.

gcc/cp/pt.c

@@ -1023,6 +1023,9 @@ determine_specialization (template_id, decl, targs_out,
 	/* This is just an ordinary non-member function.  Nothing can
 	   be a specialization of that.  */
 	continue;
+      else if (DECL_ARTIFICIAL (fn))
+	/* Cannot specialize functions that are created implicitly.  */
+	continue;
       else
 	{
 	  tree decl_arg_types;

gcc/testsuite/ChangeLog

+2001-05-20  Kriang Lerdsuwanakij  <lerdsuwa@users.sourceforge.net>
+
+	* g++.old-deja/g++.pt/spec41.C: New test.
+
 2001-05-19  Joseph S. Myers  <jsm28@cam.ac.uk>
 
 	* gcc.c-torture/compile/20010114-1.x: Remove.

gcc/testsuite/g++.old-deja/g++.pt/spec41.C

+// Build don't link:
+
+// Origin: <mikes@nilenet.com>
+
+// Bug: Specialization of implicitly created function should be
+// rejected.
+
+template<class T> class blah{};
+blah<char>::blah(){}		// ERROR - invalid specialization
+int main(){}