https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=224128

2007-01-25  Jan Kratochvil <jan.kratochvil@redhat.com>

	* gdb.base/charsign.exp, gdb.base/charsign.c: New files.
	[ stripped ]

2007-10-19  Jan Kratochvil <jan.kratochvil@redhat.com>

	Port to GDB-6.7 - only the testcase left, patch has been reverted,
	char-vectors restricted.

Index: gdb-7.10.90.20160211/gdb/testsuite/gdb.base/charsign.c
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ gdb-7.10.90.20160211/gdb/testsuite/gdb.base/charsign.c	2016-02-15 23:26:06.429811778 +0100
@@ -0,0 +1,37 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2007 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 2 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, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+   Please email any bugs, comments, and/or additions to this file to:
+   bug-gdb@prep.ai.mit.edu  */
+
+int main()
+{
+  return 0;
+}
+
+char n[]="A";
+signed char s[]="A";
+unsigned char u[]="A";
+
+typedef char char_n;
+typedef signed char char_s;
+typedef unsigned char char_u;
+
+char_n n_typed[]="A";
+char_s s_typed[]="A";
+char_u u_typed[]="A";
Index: gdb-7.10.90.20160211/gdb/testsuite/gdb.base/charsign.exp
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ gdb-7.10.90.20160211/gdb/testsuite/gdb.base/charsign.exp	2016-02-15 23:26:12.409854237 +0100
@@ -0,0 +1,63 @@
+# Copyright 2007 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 2 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, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  
+
+set testfile charsign
+set srcfile ${testfile}.c
+set binfile [standard_output_file ${testfile}]
+
+proc do_test { cflags } {
+    global srcdir
+    global binfile
+    global subdir
+    global srcfile
+    global gdb_prompt
+
+    if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug additional_flags=$cflags]] != "" } {
+	untested "Couldn't compile test program"
+	return -1
+    }
+
+    # Get things started.
+
+    gdb_exit
+    gdb_start
+    gdb_reinitialize_dir $srcdir/$subdir
+    gdb_load ${binfile}
+
+    # For C programs, "start" should stop in main().
+
+    gdb_test "p n" \
+	     "= \"A\""
+    gdb_test "p s" \
+	     "= \\{65 'A', 0 '\\\\0'\\}"
+    gdb_test "p u" \
+	     "= \\{65 'A', 0 '\\\\0'\\}"
+    gdb_test "p n_typed" \
+	     "= \"A\""
+    gdb_test "p s_typed" \
+	     "= \\{65 'A', 0 '\\\\0'\\}"
+    gdb_test "p u_typed" \
+	     "= \\{65 'A', 0 '\\\\0'\\}"
+}
+
+# The string identification works despite the compiler flags below due to
+# gdbtypes.c:
+#   if (name && strcmp (name, "char") == 0)
+#     TYPE_FLAGS (type) |= TYPE_FLAG_NOSIGN;
+
+do_test {}
+do_test {-fsigned-char}
+do_test {-funsigned-char}