Enable using the toolchain (llvm) provided FileCheck.

tests/toolchain/dwarf_method_ptr.cc

+/*
+ * Copyright (c) 2012 The Native Client Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/* Test that dwarf info for method pointers is preserved after linking.
+ *
+ */
+
+class TestClass {
+ public:
+  int foo() { return 42; }
+};
+
+typedef int (TestClass::*method_ptr)();
+
+__attribute__((noinline)) static int foo(TestClass *dwarf_test_method_ptr_param,
+                                         method_ptr *mp) {
+  // CHECK-DAG: (DW_TAG_formal_parameter)
+  // CHECK-DAG: DW_AT_location
+  // CHECK: DW_AT_name{{.*}} dwarf_test_method_ptr_param
+  // CHECK-NEXT: {{.*}}DW_AT_decl_file{{.*}} : 1
+  // CHECK-NEXT: {{.*}}DW_AT_decl_line{{.*}} : 18
+  return (dwarf_test_method_ptr_param->**mp)();
+}
+
+int caller(TestClass *my_test_param) {
+  method_ptr mp = &TestClass::foo;
+  return foo(my_test_param, &mp);
+}
+
+int main() {
+  TestClass TC;
+  int ret = caller(&TC);
+  return ret;
+}