From f149aabd9635963a60436c536fdc56436b927fd4 Mon Sep 17 00:00:00 2001
From: Tom Tromey <tromey@redhat.com>
Date: Thu, 2 Feb 2012 14:58:33 +0000
Subject: [PATCH] 	PR gdb/9307: 	* symtab.c (lookup_language_this): Set
 block_found. gdb/testsuite 	* gdb.cp/dispcxx.exp: New file. 	*
 gdb.cp/dispcxx.cc: New file.

---
 gdb/ChangeLog                    |  5 ++++
 gdb/symtab.c                     |  5 +++-
 gdb/testsuite/ChangeLog          |  5 ++++
 gdb/testsuite/gdb.cp/dispcxx.cc  | 39 ++++++++++++++++++++++++++++++
 gdb/testsuite/gdb.cp/dispcxx.exp | 41 ++++++++++++++++++++++++++++++++
 5 files changed, 94 insertions(+), 1 deletion(-)
 create mode 100644 gdb/testsuite/gdb.cp/dispcxx.cc
 create mode 100644 gdb/testsuite/gdb.cp/dispcxx.exp

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index c9ae098d5b7..4ca12dcf18c 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2012-02-02  Tom Tromey  <tromey@redhat.com>
+
+	PR gdb/9307:
+	* symtab.c (lookup_language_this): Set block_found.
+
 2012-02-01  Tom Tromey  <tromey@redhat.com>
 
 	PR gdb/13431:
diff --git a/gdb/symtab.c b/gdb/symtab.c
index c6314c907fb..61f7536ab14 100644
--- a/gdb/symtab.c
+++ b/gdb/symtab.c
@@ -1232,7 +1232,10 @@ lookup_language_this (const struct language_defn *lang,
 
       sym = lookup_block_symbol (block, lang->la_name_of_this, VAR_DOMAIN);
       if (sym != NULL)
-	return sym;
+	{
+	  block_found = block;
+	  return sym;
+	}
       if (BLOCK_FUNCTION (block))
 	break;
       block = BLOCK_SUPERBLOCK (block);
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index a5c0cd7d4e8..c42cf7da4ac 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2012-02-02  Tom Tromey  <tromey@redhat.com>
+
+	* gdb.cp/dispcxx.exp: New file.
+	* gdb.cp/dispcxx.cc: New file.
+
 2012-02-01  Tom Tromey  <tromey@redhat.com>
 
 	* gdb.base/jit-simple.exp: New file.
diff --git a/gdb/testsuite/gdb.cp/dispcxx.cc b/gdb/testsuite/gdb.cp/dispcxx.cc
new file mode 100644
index 00000000000..2bc15e47936
--- /dev/null
+++ b/gdb/testsuite/gdb.cp/dispcxx.cc
@@ -0,0 +1,39 @@
+/* Test for displays in C++.
+
+   Copyright 2012 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+struct K {
+  void method () { }
+
+  int k;
+
+  K() : k(23) { }
+
+  int m2 ()
+  {
+    k += 7;			// Break here
+    return k;
+  }
+};
+
+int main() {
+  K k;
+
+  k.method();
+  return k.m2();
+}
+
diff --git a/gdb/testsuite/gdb.cp/dispcxx.exp b/gdb/testsuite/gdb.cp/dispcxx.exp
new file mode 100644
index 00000000000..da35c114431
--- /dev/null
+++ b/gdb/testsuite/gdb.cp/dispcxx.exp
@@ -0,0 +1,41 @@
+# Copyright 2012 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+if { [skip_cplus_tests] } { continue }
+
+set testfile dispcxx
+set srcfile ${testfile}.cc
+set binfile ${objdir}/${subdir}/${testfile}
+
+if [get_compiler_info ${binfile} "c++"] {
+    untested dispcxx.exp
+    return -1
+}
+
+if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug c++}]} {
+    return -1
+}
+
+if ![runto_main] then {
+    perror "couldn't run to main"
+    continue
+} 
+
+gdb_breakpoint [gdb_get_line_number "Break here"]
+gdb_continue_to_breakpoint here
+
+# Regression test for
+# http://sourceware.org/bugzilla/show_bug.cgi?id=9307.
+gdb_test "display k" "1: k = 23"
-- 
2.30.2