From 5089de933887226dd53c04311170420f6c493638 Mon Sep 17 00:00:00 2001
From: Mark Mitchell <mark@codesourcery.com>
Date: Tue, 3 Dec 2002 06:52:25 +0000
Subject: [PATCH] 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                      | 10 ++++++++++
 gcc/cp/error.c                        |  5 ++++-
 gcc/cp/spew.c                         | 12 +++++++-----
 gcc/testsuite/ChangeLog               |  6 ++++++
 gcc/testsuite/g++.dg/parse/defarg1.C  |  5 +++++
 gcc/testsuite/g++.dg/template/char1.C |  4 ++++
 6 files changed, 36 insertions(+), 6 deletions(-)
 create mode 100644 gcc/testsuite/g++.dg/parse/defarg1.C
 create mode 100644 gcc/testsuite/g++.dg/template/char1.C

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 2ade3e3..befdf12 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,13 @@
+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
diff --git a/gcc/cp/error.c b/gcc/cp/error.c
index 872a556..495320d 100644
--- a/gcc/cp/error.c
+++ b/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
diff --git a/gcc/cp/spew.c b/gcc/cp/spew.c
index 380d693..adc3ffd 100644
--- a/gcc/cp/spew.c
+++ b/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;
 }
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 68a874e..0c51391 100644
--- a/gcc/testsuite/ChangeLog
+++ b/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>
diff --git a/gcc/testsuite/g++.dg/parse/defarg1.C b/gcc/testsuite/g++.dg/parse/defarg1.C
new file mode 100644
index 0000000..77c50e8
--- /dev/null
+++ b/gcc/testsuite/g++.dg/parse/defarg1.C
@@ -0,0 +1,5 @@
+class A
+{
+public:
+    A(int nBits = ((int)0x8) | ((int)0x4) | ((int)0x2));
+};
diff --git a/gcc/testsuite/g++.dg/template/char1.C b/gcc/testsuite/g++.dg/template/char1.C
new file mode 100644
index 0000000..64ffda8
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/char1.C
@@ -0,0 +1,4 @@
+template <class CharType, CharType line_terminator = 0>
+class String {};
+
+String<char, 255> s;
-- 
2.7.4