+# Copyright 2010 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/>.
+
+# This file is part of the gdb testsuite
+
+set nl "\[\r\n\]+"
+
+if { [skip_cplus_tests] } { continue }
+
+load_lib "cp-support.exp"
+
+set testfile "pr10728"
+set srcfile ${testfile}-x.cc
+set tfx ${testfile}-x
+set tfy ${testfile}-y
+set binfile ${objdir}/${subdir}/${testfile}
+
+if { [gdb_compile "${srcdir}/${subdir}/${tfy}.cc" "${tfy}.o" object {c++}] != "" } {
+ untested pr10728.exp
+ return -1
+}
+
+if { [gdb_compile "${srcdir}/${subdir}/${tfx}.cc" "${tfx}.o" object {debug c++}] != "" } {
+ untested pr10728.exp
+ return -1
+}
+
+if { [gdb_compile "${tfx}.o ${tfy}.o" ${binfile} executable {debug c++}] != "" } {
+ untested pr10728.exp
+ return -1
+}
+
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+
+if ![runto_main] then {
+ perror "couldn't run to breakpoint"
+ continue
+}
+
+# set a breakpoint at the return stmt
+
+gdb_breakpoint [gdb_get_line_number "marker 1"]
+gdb_continue_to_breakpoint "marker 1"
+
+gdb_test "print x->y2 - x->y1" "warning: Type size unknown, assuming 1\. Try casting to a known type, or void \*\.\[^=\]*= 1"
+
+gdb_exit
+return 0
+
+