semantics.c (finish_id_expr): If type is error_mark, return error_mark.

cp:
	* semantics.c (finish_id_expr): If type is error_mark, return
	error_mark.
testsuite:
	* g++.other/crash24.C: Adjust and remove XFAIL.
	* g++.other/crash37.C: New test.

From-SVN: r37702

gcc/cp/ChangeLog

+2000-11-24  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* semantics.c (finish_id_expr): If type is error_mark, return
+	error_mark.
+
 2000-11-23  Nathan Sidwell  <nathan@codesourcery.com>
 
 	* pt.c (lookup_template_class): Simplify loop exit constructs.

gcc/cp/semantics.c

@@ -1534,6 +1534,8 @@ finish_id_expr (expr)
   if (TREE_CODE (expr) == IDENTIFIER_NODE)
     expr = do_identifier (expr, 1, NULL_TREE);
 
+  if (TREE_TYPE (expr) == error_mark_node)
+    expr = error_mark_node;
   return expr;
 }
 

gcc/testsuite/ChangeLog

+2000-11-24  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* g++.other/crash24.C: Adjust and remove XFAIL.
+	* g++.other/crash37.C: New test.
+
 2000-11-23  Nathan Sidwell  <nathan@codesourcery.com>
 
 	* g++.old-deja/g++.pt/instantiate9.C: New test.

gcc/testsuite/g++.old-deja/g++.other/crash24.C

 // Build don't link:
 // Origin: Jakub Jelinek <jakub@redhat.com>
 
-// crash test - XFAIL *-*-*
-
-#include <iostream>
-
 class foo {
  public:
    class __iterator;
@@ -16,6 +12,6 @@ class foo {
 static void iteratorTest(const foo &x)
 {
    foo::const_iterator i = x.begin();		// ERROR - 
-   for (; i; ++i)				// ERROR - 
-      cout << *i;
+   for (; i; ++i)
+      *i;
 }

gcc/testsuite/g++.old-deja/g++.other/crash37.C

+// Build don't link:
+
+// Copyright (C) 2000 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 23 Nov 2000 <nathan@codesourcery.com>
+
+// bug 706. We iced when meeting a decl with type error-mark-node
+
+class bifstream;
+
+
+int main()
+{
+  bifstream bifs;   // ERROR - incomplete type
+  if (!bifs)
+    {
+    }
+  return 0;
+}