Merge pull request swiftlang#23466 from compnerd/driving-to-completion

Author: swift-ci

test/lit.cfg

@@ -370,8 +370,12 @@ config.substitutions.append( ('%{python}', sys.executable) )
 config.substitutions.append( ('%mcp_opt', mcp_opt) )
 config.substitutions.append( ('%swift_driver_plain', "%r" % config.swift) )
 config.substitutions.append( ('%swiftc_driver_plain', "%r" % config.swiftc) )
-config.substitutions.append( ('%swift_driver', "env SDKROOT= %r %s %s %s" % (config.swift, mcp_opt, config.swift_test_options, config.swift_driver_test_options)) )
-config.substitutions.append( ('%swiftc_driver', "env SDKROOT= %r %s %s %s" % (config.swiftc, mcp_opt, config.swift_test_options, config.swift_driver_test_options)) )
+if kIsWindows:
+    config.substitutions.append( ('%swift_driver', "%r %s %s %s" % (config.swift, mcp_opt, config.swift_test_options, config.swift_driver_test_options)) )
+    config.substitutions.append( ('%swiftc_driver', "%r %s %s %s" % (config.swiftc, mcp_opt, config.swift_test_options, config.swift_driver_test_options)) )
+else:
+    config.substitutions.append( ('%swift_driver', "env SDKROOT= %r %s %s %s" % (config.swift, mcp_opt, config.swift_test_options, config.swift_driver_test_options)) )
+    config.substitutions.append( ('%swiftc_driver', "env SDKROOT= %r %s %s %s" % (config.swiftc, mcp_opt, config.swift_test_options, config.swift_driver_test_options)) )
 config.substitutions.append( ('%sil-opt', "%r %s %s" % (config.sil_opt, mcp_opt, config.sil_test_options)) )
 config.substitutions.append( ('%sil-func-extractor', "%r %s" % (config.sil_func_extractor, mcp_opt)) )
 config.substitutions.append( ('%sil-llvm-gen', "%r %s" % (config.sil_llvm_gen, mcp_opt)) )
@@ -1379,8 +1383,7 @@ config.substitutions.append(('%FileCheck',
                              '%r %r --sanitize BUILD_DIR=%r --sanitize SOURCE_DIR=%r --use-filecheck %r' % (
         sys.executable,
         config.PathSanitizingFileCheck,
-        # Match lit/python, which, on Windows, normalizes path case (lowercases)
-        swift_obj_root.lower() if kIsWindows else swift_obj_root,
+        swift_obj_root,
         config.swift_src_root,
         config.filecheck)))
 config.substitutions.append(('%raw-FileCheck', pipes.quote(config.filecheck)))