Driver: Pass -disable-upcoming-feature and -disable-experimental-feature to the frontend.

The legacy driver is still used to build the compiler on Windows, so we need it
to handle these new flags correctly in order to adopt them in the stdlib.

Author: tshortli

lib/Driver/ToolChains.cpp

@@ -270,8 +270,10 @@ void ToolChain::addCommonFrontendArgs(const OutputInfo &OI,
   inputArgs.AddLastArg(arguments, options::OPT_disable_dynamic_actor_isolation);
   inputArgs.AddLastArg(arguments, options::OPT_warn_concurrency);
   inputArgs.AddLastArg(arguments, options::OPT_strict_concurrency);
-  inputArgs.AddAllArgs(arguments, options::OPT_enable_experimental_feature);
-  inputArgs.AddAllArgs(arguments, options::OPT_enable_upcoming_feature);
+  inputArgs.addAllArgs(arguments, {options::OPT_enable_experimental_feature,
+                                   options::OPT_disable_experimental_feature,
+                                   options::OPT_enable_upcoming_feature,
+                                   options::OPT_disable_upcoming_feature});
   inputArgs.AddLastArg(arguments, options::OPT_warn_implicit_overrides);
   inputArgs.AddLastArg(arguments, options::OPT_typo_correction_limit);
   inputArgs.AddLastArg(arguments, options::OPT_enable_app_extension);

test/Driver/features.swift

@@ -0,0 +1,18 @@
+// RUN: %swiftc_driver -emit-executable -o %t.exe %s \
+// RUN:   -enable-upcoming-feature MemberImportVisibility \
+// RUN:   -enable-experimental-feature ParserValidation \
+// RUN:   -disable-upcoming-feature MemberImportVisibility \
+// RUN:   -disable-experimental-feature ParserValidation \
+// RUN:   -disallow-use-new-driver -driver-print-jobs 2>&1 | %FileCheck %s
+
+// The new driver has its own test for this
+
+// REQUIRES: cplusplus_driver
+// REQUIRES: swift_feature_ParserValidation
+// REQUIRES: swift_feature_MemberImportVisibility
+
+// CHECK: {{.*}}swift{{c|-frontend}}{{(.exe)?"?}} -frontend
+// CHECK-SAME: -enable-upcoming-feature MemberImportVisibility
+// CHECK-SAME: -enable-experimental-feature ParserValidation
+// CHECK-SAME: -disable-upcoming-feature MemberImportVisibility
+// CHECK-SAME: -disable-experimental-feature ParserValidation