LifetimeDependence: enable addressable dependencies

Author: atrick

include/swift/AST/SILOptions.h

@@ -333,7 +333,7 @@ class SILOptions {
 
   /// Enable enforcement of lifetime dependencies on addressable arguments.
   /// Temporarily used to bootstrap the AddressableParameters feature.
-  bool EnableAddressDependencies = false;
+  bool EnableAddressDependencies = true;
 
   SILOptions() {}
 

include/swift/Option/FrontendOptions.td

@@ -1505,6 +1505,9 @@ def platform_availability_inheritance_map_path
 def enable_address_dependencies : Flag<["-"], "enable-address-dependencies">,
   HelpText<"Enable enforcement of lifetime dependencies on addressable values.">;
 
+def disable_address_dependencies : Flag<["-"], "disable-address-dependencies">,
+  HelpText<"Disable enforcement of lifetime dependencies on addressable values.">;
+
 } // end let Flags = [FrontendOption, NoDriverOption, HelpHidden]
 
 def disable_experimental_parser_round_trip : Flag<["-"],

lib/Frontend/CompilerInvocation.cpp

@@ -3110,7 +3110,10 @@ static bool ParseSILArgs(SILOptions &Opts, ArgList &Args,
         LTOKind.value() == IRGenLLVMLTOKind::None;
 
 
-  Opts.EnableAddressDependencies = Args.hasArg(OPT_enable_address_dependencies);
+  Opts.EnableAddressDependencies =
+    Args.hasFlag(OPT_enable_address_dependencies,
+                 OPT_disable_address_dependencies,
+                 Opts.EnableAddressDependencies);
 
   return false;
 }