3 files changed, 119 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.base/.Sanitize b/gdb/testsuite/gdb.base/.Sanitize
index d57be36..84a6678 100644
--- a/gdb/testsuite/gdb.base/.Sanitize
+++ b/gdb/testsuite/gdb.base/.Sanitize
@@ -121,6 +121,8 @@ whatis.exp
 Things-to-lose:
 structs.c
 structs.exp
+structs2.c
+structs2.exp
 
 # The lines between the "Do-last:" line and the end of the file
 # are executed as a /bin/sh shell script after everything else is
diff --git a/gdb/testsuite/gdb.base/structs2.c b/gdb/testsuite/gdb.base/structs2.c
new file mode 100644
index 0000000..f9f59e9
--- /dev/null
+++ b/gdb/testsuite/gdb.base/structs2.c
@@ -0,0 +1,38 @@
+/* pr 13536 */
+
+static void param_reg (register char pr_char,
+		       register unsigned char pr_uchar,
+		       register short pr_short,
+		       register unsigned short pr_ushort);
+
+int bkpt;
+
+int
+main ()
+{
+#ifdef usestubs
+  set_debug_traps ();
+  breakpoint ();
+#endif
+
+  bkpt = 0;
+  param_reg (120, 130, 32000, 33000);
+  param_reg (130, 120, 33000, 32000);
+
+  return 0;
+}
+
+static void dummy () {}
+
+static void
+param_reg(register char pr_char,
+	  register unsigned char pr_uchar,
+	  register short pr_short,
+	  register unsigned short pr_ushort)
+{
+  bkpt = 1;
+  dummy ();
+  pr_char = 1;
+  pr_uchar = pr_short = pr_ushort = 1;
+  dummy ();
+}
diff --git a/gdb/testsuite/gdb.base/structs2.exp b/gdb/testsuite/gdb.base/structs2.exp
new file mode 100644
index 0000000..14652be
--- /dev/null
+++ b/gdb/testsuite/gdb.base/structs2.exp
@@ -0,0 +1,79 @@
+# Copyright (C) 1998 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
+
+if $tracelevel then {
+	strace $tracelevel
+}
+
+set prms_id 0
+set bug_id 0
+
+set prototypes 1
+set testfile "structs2"
+set srcfile ${testfile}.c
+set binfile ${objdir}/${subdir}/${testfile}
+
+# build the first test case
+if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
+    # built the second test case since we can't use prototypes
+    warning "Prototypes not supported, rebuilding with -DNO_PROTOTYPES"
+    if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DNO_PROTOTYPES}] != "" } {
+	gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
+    }
+    set prototypes 0
+}
+
+# Start with a fresh gdb.
+
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+
+gdb_test "set width 0" "" ""
+
+if { ![runto_main] } then {
+    gdb_suppress_tests
+}
+
+# Ok, we're finally ready to actually do our tests.
+
+set prms_id 13536
+set bug_id 0
+
+gdb_test "f" \
+    ".*bkpt = 0.*" \
+    "structs2 sanity check"
+
+gdb_test "break param_reg" \
+    "Breakpoint .* at .*" \
+    "structs2 breakpoint set"
+
+gdb_test "continue" \
+    ".*pr_char=120.*pr_uchar=130.*pr_short=32000.*pr_ushort=33000.*bkpt = 1.*" \
+    "structs2 continue1"
+
+gdb_test "continue" \
+    ".*pr_char=-126.*pr_uchar=120.*pr_short=-32536.*pr_ushort=32000.*bkpt = 1.*" \
+    "structs2 continue2"
+
+# End of tests.
+
+gdb_stop_suppressing_tests
+
+return 0