Skip standalone/io/named_pipe_script_test under precompilation.

tests/standalone/standalone.status

 # Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 # WARNING:
 # Tests using the multitest feature where failure is expected should *also* be
 # listed in tests/lib/analyzer/analyze_tests.status without the "standalone"
 # prefix.
 
 package/invalid_uri_test: Fail, OK # CompileTimeErrors intentionally
@@ skipping 237 matching lines @@
 io/dart_std_io_pipe_test: Skip # Platform.executable
 io/platform_test: Skip # Platform.executable
 io/socket_cross_process_test: Skip # Platform.executable
 io/test_runner_test: Skip # Platform.executable
 io/file_lock_test: Skip # Platform.executable
 io/code_collection_test: Skip # Platform.executable
 io/file_lock_test: Skip # Platform.executable
 io/code_collection_test: Skip # Platform.executable
 io/raw_socket_cross_process_test: Skip # Platform.executable
 io/test_extension_test: Skip # Platform.executable
+io/named_pipe_script_test: Skip # Platform.executable
 io/regress_7679_test: Skip # Platform.executable
 io/process_*: Skip # Most use Platform.executable
 assert_test: SkipByDesign # Requires checked mode.
 no_assert_test: SkipByDesign # Requires checked mode.
 
 # Code coverage is not supported in product mode.
 [ $mode == product ]
 full_coverage_test: SkipByDesign
 
 # Overriding these flags are not supported in product mode.
 [ $mode == product ]
 no_profiler_test: SkipByDesign
 no_support_coverage_test: SkipByDesign
 no_support_debugger_test: SkipByDesign
 no_support_disassembler_test: SkipByDesign
 no_support_il_printer_test: SkipByDesign
 no_support_service_test: SkipByDesign
 no_support_timeline_test: SkipByDesign
 
 # Following tests are skipped on dart_product as package mapping is not supported.
 [ $runtime == dart_precompiled || $runtime == dart_product ]
 package/scenarios/packages_file_strange_formatting/mixed_line_ends_test: Skip
 package/scenarios/packages_file_strange_formatting/empty_lines_test: Skip
 package/scenarios/invalid/invalid_utf8_test: Skip
 package/scenarios/invalid/same_package_twice_test: Skip
 package/scenarios/invalid/non_existent_packages_file_test: Skip
 package/scenarios/empty_packages_file/empty_packages_file_noimports_test: Skip
 package/scenarios/packages_option_only/packages_option_only_noimports_test: Skip
 package/scenarios/packages_option_only/packages_option_only_test: Skip