Fix test

Author: mininny

utils/build-script

@@ -600,7 +600,7 @@ class BuildScriptInvocation(object):
             impl_args += ["--skip-build"]
         if not args.build_benchmarks:
             impl_args += ["--skip-build-benchmarks"]
-        
+
         if args.swift_disable_dead_stripping:
             args.extra_cmake_options.append('-DSWIFT_DISABLE_DEAD_STRIPPING:BOOL=TRUE')
 

utils/build_swift/build_swift/driver_arguments.py

@@ -334,7 +334,7 @@ def create_argument_parser():
            default=defaults.SWIFT_ANALYZE_CODE_COVERAGE,
            help='enable code coverage analysis in Swift (false, not-merged, '
                 'merged).')
-                
+
     option('--swift-disable-dead-stripping', toggle_true, 
            help="Turn off Darwin-specific dead stripping for Swift host tools")
 

utils/build_swift/tests/build_swift/test_driver_arguments.py

@@ -631,6 +631,10 @@ def test_implied_defaults_host_test(self):
         self.assertFalse(namespace.test_android_host)
         self.assertFalse(namespace.build_libparser_only)
 
+    def test_implied_defaults_swift_disable_dead_stripping(self):
+        namespace = self.parse_default_args(['--swift-disable-dead-stripping'])
+        self.assertTrue(namespace.swift_disable_dead_stripping)
+
     def test_build_lib_swiftsyntaxparser_only(self):
         namespace = self.parse_default_args(['--build-libparser-only'])
         self.assertTrue(namespace.build_libparser_only)

utils/build_swift/tests/expected_options.py

@@ -552,6 +552,7 @@ class BuildScriptImplOption(_BaseOption):
     EnableOption('--verbose-build'),
     EnableOption('--watchos'),
     EnableOption('--xctest', dest='build_xctest'),
+    EnableOption('--swift-disable-dead-stripping'),
 
     DisableOption('--skip-build-cmark', dest='build_cmark'),
     DisableOption('--skip-build-llvm', dest='build_llvm'),