[lld-macho] Ignore a few more undocumented flags

lld/MachO/Options.td

 def no_order_data : Flag<["-"], "no_order_data">,
      HelpText<"Disable default reordering of global data accessed at launch time">,
      Flags<[HelpHidden]>,
      Group<grp_opts>;
 def platform_version : MultiArg<["-"], "platform_version", 3>,
      MetaVarName<"<platform> <min_version> <sdk_version>">,
      HelpText<"Platform (e.g., macos, ios, tvos, watchos, bridgeos, mac-catalyst, ios-sim, tvos-sim, watchos-sim, driverkit) and version numbers">,
      Group<grp_opts>;
+def sdk_version : Separate<["-"], "sdk_version">,
+     HelpText<"This option is undocumented in ld64">,
+     Flags<[HelpHidden]>,
+     Group<grp_opts>;
 def macos_version_min : Separate<["-"], "macos_version_min">,
      MetaVarName<"<version>">,
      HelpText<"Oldest macOS version for which linked output is useable">,
      Flags<[HelpHidden]>,
      Group<grp_opts>;
 def macosx_version_min : Separate<["-"], "macosx_version_min">,
      MetaVarName<"<version>">,
      Alias<macos_version_min>,
      HelpText<"Alias for -macos_version_min">,
      Flags<[HelpHidden]>,
      Group<grp_opts>;
 def ios_version_min : Separate<["-"], "ios_version_min">,
      MetaVarName<"<version>">,
      HelpText<"Oldest iOS version for which linked output is useable">,
      Flags<[HelpHidden]>,
      Group<grp_opts>;
+def ios_simulator_version_min : Separate<["-"], "ios_simulator_version_min">,
+     MetaVarName<"<version>">,
+     HelpText<"Oldest iOS simulator version for which linked output is useable">,
+     Flags<[HelpHidden]>,
+     Group<grp_opts>;
 def iphoneos_version_min : Separate<["-"], "iphoneos_version_min">,
      MetaVarName<"<version>">,
      Alias<ios_version_min>,
      HelpText<"Alias for -ios_version_min">,
      Flags<[HelpHidden]>,
      Group<grp_opts>;
 def image_base : Separate<["-"], "image_base">,
      MetaVarName<"<address>">,

 def no_encryption : Flag<["-"], "no_encryption">,
      HelpText<"This option is undocumented in ld64">,
      Flags<[HelpHidden]>,
      Group<grp_undocumented>;
 def no_new_main : Flag<["-"], "no_new_main">,
      HelpText<"This option is undocumented in ld64">,
      Flags<[HelpHidden]>,
      Group<grp_undocumented>;
-def objc_abi_version : Flag<["-"], "objc_abi_version">,
+def objc_abi_version : Separate<["-"], "objc_abi_version">,
      HelpText<"This option is undocumented in ld64">,
      Flags<[HelpHidden]>,
      Group<grp_undocumented>;
 def pause : Flag<["-"], "pause">,
      HelpText<"This option is undocumented in ld64">,
      Flags<[HelpHidden]>,
      Group<grp_undocumented>;
 def random_uuid : Flag<["-"], "random_uuid">,
      HelpText<"This option is undocumented in ld64">,
      Flags<[HelpHidden]>,
      Group<grp_undocumented>;
 def save_temps : Flag<["-"], "save-temps">,
      HelpText<"This option is undocumented in ld64">,
      Flags<[HelpHidden]>,
      Group<grp_undocumented>;
-def sdk_version : Flag<["-"], "sdk_version">,
-     HelpText<"This option is undocumented in ld64">,
-     Flags<[HelpHidden]>,
-     Group<grp_undocumented>;
 def simulator_support : Flag<["-"], "simulator_support">,
      HelpText<"This option is undocumented in ld64">,
      Flags<[HelpHidden]>,
      Group<grp_undocumented>;
 def snapshot_dir : Flag<["-"], "snapshot_dir">,
      HelpText<"This option is undocumented in ld64">,
      Flags<[HelpHidden]>,
      Group<grp_undocumented>;

lld/test/MachO/silent-ignore.test

 RUN: %lld -v \
 RUN:   -demangle \
 RUN:   -dynamic \
 RUN:   -no_deduplicate \
 RUN:   -lto_library /lib/foo \
 RUN:   -macosx_version_min 0 \
 RUN:   -dependency_info /path/to/dependency_info.dat \
-RUN:   -mllvm -time-passes
+RUN:   -mllvm -time-passes \
+RUN:   -objc_abi_version 2 \
+RUN:   -ios_simulator_version_min 9.0.0 \
+RUN:   -sdk_version 13.2
 RUN: not %lld -v --not-an-ignored-argument 2>&1 | FileCheck %s
 CHECK: error: unknown argument: --not-an-ignored-argument