re PR c++/8720 (ICE with bitwise or (3 operands))

	PR c++/8720
	* spew.c (remove_last_token): Make sure that last_chunk is set
	correctly.

	PR c++/8615
	* error.c (dump_expr): Handle character constants with
	TREE_OVERFLOW set.

	PR c++/8720
	* g++.dg/parse/defarg1.C: New test.

	PR c++/8615
	* g++.dg/template/char1.C: New test.

From-SVN: r59757

gcc/cp/ChangeLog

+2002-12-02  Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/8720
+	* spew.c (remove_last_token): Make sure that last_chunk is set
+	correctly.
+
+	PR c++/8615
+	* error.c (dump_expr): Handle character constants with
+	TREE_OVERFLOW set.
+	
 2002-12-02  Kriang Lerdsuwanakij  <lerdsuwa@users.sourceforge.net>
 
 	DR 180

gcc/cp/error.c

@@ -1473,7 +1473,10 @@ dump_expr (t, flags)
 	else if (type == char_type_node)
 	  {
 	    output_add_character (scratch_buffer, '\'');
-	    dump_char (tree_low_cst (t, 0));
+	    if (host_integerp (t, TREE_UNSIGNED (type)))
+	      dump_char (tree_low_cst (t, TREE_UNSIGNED (type)));
+	    else
+	      output_printf (scratch_buffer, "\\x%x", TREE_INT_CST_LOW (t));
 	    output_add_character (scratch_buffer, '\'');
 	  }
 	else

gcc/cp/spew.c

@@ -1042,11 +1042,13 @@ remove_last_token (t)
   t->last_pos--;
   if (t->last_pos == 0 && t->last_chunk != t->tokens)
     {
-      struct token_chunk **tc;
-      for (tc = &t->tokens; (*tc)->next != NULL; tc = &(*tc)->next)
-	;
-      *tc = NULL;
-      t->last_pos = ARRAY_SIZE ((*tc)->toks);
+      struct token_chunk *c;
+      c = t->tokens;
+      while (c->next != t->last_chunk)
+	c = c->next;
+      c->next = NULL;
+      t->last_chunk = c;
+      t->last_pos = ARRAY_SIZE (c->toks);
     }
   return result;
 }

gcc/testsuite/ChangeLog

@@ -4,6 +4,12 @@
 
 2002-12-02  Mark Mitchell  <mark@codesourcery.com>
 
+	PR c++/8720
+	* g++.dg/parse/defarg1.C: New test.
+
+	PR c++/8615
+	* g++.dg/template/char1.C: New test.
+
 	* g++.dg/template/varmod1.C: Fix typo.
 
 2002-12-02  Kriang Lerdsuwanakij  <lerdsuwa@users.sourceforge.net>

gcc/testsuite/g++.dg/parse/defarg1.C

+class A
+{
+public:
+    A(int nBits = ((int)0x8) | ((int)0x4) | ((int)0x2));
+};

gcc/testsuite/g++.dg/template/char1.C

+template <class CharType, CharType line_terminator = 0>
+class String {};
+
+String<char, 255> s;