PR c++/9781, c++/10583, c++/11862

	PR c++/9781, c++/10583, c++/11862
	* decl.c (cp_finish_decl): Exit immediately if decl is an
	error_mark_node.
	* pt.c (push_template_decl_real): Return error_mark_node for
	invalid template declaration of variable.

	* g++.dg/parse/crash13.C: New test.

From-SVN: r72701

gcc/cp/ChangeLog

+2003-10-20  Kriang Lerdsuwanakij  <lerdsuwa@users.sourceforge.net>
+
+	PR c++/9781, c++/10583, c++/11862
+	* decl.c (cp_finish_decl): Exit immediately if decl is an
+	error_mark_node.
+	* pt.c (push_template_decl_real): Return error_mark_node for
+	invalid template declaration of variable.
+
 2003-10-18  Kriang Lerdsuwanakij  <lerdsuwa@users.sourceforge.net>
 
 	PR c++/12495

gcc/cp/decl.c

@@ -4658,7 +4658,9 @@ cp_finish_decl (tree decl, tree init, tree asmspec_tree, int flags)
   const char *asmspec = NULL;
   int was_readonly = 0;
 
-  if (! decl)
+  if (decl == error_mark_node)
+    return;
+  else if (! decl)
     {
       if (init)
 	error ("assignment (not initialization) in declaration");

gcc/cp/pt.c

@@ -2690,7 +2690,10 @@ push_template_decl_real (tree decl, int is_friend)
 	       || TREE_CODE (decl) == FUNCTION_DECL)
 	/* OK */;
       else
-	error ("template declaration of `%#D'", decl);
+	{
+	  error ("template declaration of `%#D'", decl);
+	  return error_mark_node;
+	}
     }
 
   /* Check to see that the rules regarding the use of default

gcc/testsuite/ChangeLog

+2003-10-20  Kriang Lerdsuwanakij  <lerdsuwa@users.sourceforge.net>
+
+	PR c++/9781, c++/10583, c++/11862
+	* g++.dg/parse/crash13.C: New test.
+
 2003-10-20  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
 
 	* gcc.dg/old-style-asm-1.c: Count jump_insns instead of labels.

gcc/testsuite/g++.dg/parse/crash13.C

+// { dg-do compile }
+
+// Origin: Giovanni Bajo <giovannibajo@libero.it>
+
+// PR c++/10583: ICE using template function with invalid signature.
+
+template <typename> 
+struct A 
+{
+    struct B 
+    {};
+};
+
+template <typename T> 
+void func(A<T>::B* )	// { dg-error "variable|template|expression" }
+{			// { dg-error ";" }
+}
+
+int main() 
+{
+  func<void>(0);	// { dg-error "undeclared|expression|;" }
+}