test: evaluate pointers to C99 vla correctly.

gdb/testsuite/ChangeLog:

	* gdb.base/vla-ptr.c: New file.
	* gdb.base/vla-ptr.exp: New file.

gdb/testsuite/ChangeLog

@@ -1,3 +1,8 @@
+2014-04-14  Sanimir Agovic  <sanimir.agovic@intel.com>
+
+	* gdb.base/vla-ptr.c: New file.
+	* gdb.base/vla-ptr.exp: New file.
+
 2014-04-14  Sanimir Agovic  <sanimir.agovic@intel.com>
 
 	* gdb.dwarf2/count.exp: New file.

gdb/testsuite/gdb.base/vla-ptr.c

@@ -0,0 +1,58 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2014 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/>.  */
+
+#define SIZE 5
+
+void
+foo (int n, int vla_ptr[n])
+{
+  return;         /* foo_bp */
+}
+
+void
+bar (int *vla_ptr)
+{
+  return;         /* bar_bp */
+}
+
+void
+vla_func (int n)
+{
+  int vla[n];
+  typedef int typedef_vla[n];
+  typedef_vla td_vla;
+  int i;
+
+  for (i = 0; i < n; i++)
+    {
+      vla[i] = 2+i;
+      td_vla[i] = 4+i;
+    }
+
+  foo(n, vla);
+  bar(vla);
+
+  return;         /* vla_func_bp */
+}
+
+int
+main (void)
+{
+  vla_func(SIZE);
+
+  return 0;
+}

gdb/testsuite/gdb.base/vla-ptr.exp

@@ -0,0 +1,41 @@
+# Copyright 2014 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/>.
+
+standard_testfile
+
+if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile}] } {
+    return -1
+}
+
+if ![runto_main] {
+    return -1
+}
+
+set sizeof_int [get_sizeof "int" 4]
+
+# Check that VLA passed to function (pointer) points to the first element.
+gdb_breakpoint [gdb_get_line_number "foo_bp"]
+gdb_continue_to_breakpoint "foo_bp"
+gdb_test "print vla_ptr" "\\\(int \\\*\\\) $hex" "print vla_ptr (foo)"
+gdb_test "print *vla_ptr" " = 2" "print *vla_ptr (foo)"
+
+gdb_breakpoint [gdb_get_line_number "bar_bp"]
+gdb_continue_to_breakpoint "bar_bp"
+gdb_test "print vla_ptr" "\\\(int \\\*\\\) $hex" "print vla_ptr (bar)"
+gdb_test "print *vla_ptr" " = 2" "print *vla_ptr (bar)"
+
+gdb_breakpoint [gdb_get_line_number "vla_func_bp"]
+gdb_continue_to_breakpoint "vla_func_bp"
+gdb_test "print td_vla" " = \\\{4, 5, 6, 7, 8\\\}" "print td_vla"