class.c (duplicate_tag_error): Clear more flags.

cp:
	* class.c (duplicate_tag_error): Clear more flags.
testsuite:
	* g++.old_deja/g++.other/crash39.C: New test.

From-SVN: r38867

gcc/cp/ChangeLog

 2001-01-10  Nathan Sidwell  <nathan@codesourcery.com>
 
+	* class.c (duplicate_tag_error): Clear more flags.
+
+2001-01-10  Nathan Sidwell  <nathan@codesourcery.com>
+
 	* call.c (build_new_method_call): Use binfo_for_vbase.
 
 2001-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>

gcc/cp/class.c

@@ -2374,6 +2374,26 @@ duplicate_tag_error (t)
   TYPE_VFIELD (t) = NULL_TREE;
   TYPE_CONTEXT (t) = NULL_TREE;
   TYPE_NONCOPIED_PARTS (t) = NULL_TREE;
+  
+  TYPE_HAS_NONTRIVIAL_DESTRUCTOR (t) = 0;
+  TYPE_HAS_CONSTRUCTOR (t) = 0;
+  TYPE_HAS_DESTRUCTOR (t) = 0;
+  TYPE_HAS_CONVERSION (t) = 0;
+  TYPE_HAS_ASSIGN_REF (t) = 0;
+  TYPE_HAS_CONST_ASSIGN_REF (t) = 0;
+  TYPE_HAS_INIT_REF (t) = 0;
+  TYPE_HAS_CONST_INIT_REF (t) = 0;
+  TYPE_HAS_NEW_OPERATOR (t) = 0;
+  TYPE_HAS_ARRAY_NEW_OPERATOR (t) = 0;
+  TYPE_HAS_DEFAULT_CONSTRUCTOR (t) = 0;
+  CLASSTYPE_HAS_MUTABLE (t) = 0;
+  CLASSTYPE_NON_POD_P (t) = 0;
+  CLASSTYPE_NEARLY_EMPTY_P (t) = 0;
+  CLASSTYPE_NON_AGGREGATE (t) = 0;
+  TYPE_HAS_REAL_ASSIGN_REF (t) = 0;
+  TYPE_HAS_COMPLEX_ASSIGN_REF (t) = 0;
+  TYPE_HAS_ABSTRACT_ASSIGN_REF (t) = 0;
+  TYPE_HAS_COMPLEX_INIT_REF (t) = 0;
 }
 
 /* Make the BINFO's vtablehave N entries, including RTTI entries,

gcc/testsuite/ChangeLog

 2001-01-10  Nathan Sidwell  <nathan@codesourcery.com>
 
+	* g++.old_deja/g++.other/crash39.C: New test.
+
+2001-01-10  Nathan Sidwell  <nathan@codesourcery.com>
+
 	* g++.old_deja/g++.other/vbase4.C: New test.
 
 2001-01-08  Jonathan Larmour  <jlarmour@redhat.com>

gcc/testsuite/g++.old-deja/g++.other/crash39.C

+// Build don't link:
+
+// Copyright (C) 2000 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 10 Jan 2001 <nathan@codesourcery.com>
+
+// Bug 595. We failed to clear out some things after seeing a duplicate
+// struct definition. That caused us to become inconsistent.
+
+struct X
+{
+  ~X ();
+};
+struct S { X a; };  // ERROR - previous defn
+struct S { X a; };  // ERROR - redefinition
+
+void c1(S s)
+{
+}