[Clang] Remove ARCMigrate (#119269)

In the discussion around #116792, @rjmccall mentioned that ARCMigrate
has been obsoleted and that we could go ahead and remove it from Clang,
so this patch does just that.

1 files changed, 0 insertions, 8 deletions

diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 8411217..11fd6ab 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -2756,7 +2756,6 @@ static const auto &getFrontendActionTable() {
       {frontend::RewriteObjC, OPT_rewrite_objc},
       {frontend::RewriteTest, OPT_rewrite_test},
       {frontend::RunAnalysis, OPT_analyze},
-      {frontend::MigrateSource, OPT_migrate},
       {frontend::RunPreprocessorOnly, OPT_Eonly},
       {frontend::PrintDependencyDirectivesSourceMinimizerOutput,
        OPT_print_dependency_directives_minimized_source},
@@ -3099,12 +3098,6 @@ static bool ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args,
   if (Args.hasArg(OPT_aux_target_feature))
     Opts.AuxTargetFeatures = Args.getAllArgValues(OPT_aux_target_feature);
 
-  if (Opts.ARCMTAction != FrontendOptions::ARCMT_None &&
-      Opts.ObjCMTAction != FrontendOptions::ObjCMT_None) {
-    Diags.Report(diag::err_drv_argument_not_allowed_with)
-      << "ARC migration" << "ObjC migration";
-  }
-
   InputKind DashX(Language::Unknown);
   if (const Arg *A = Args.getLastArg(OPT_x)) {
     StringRef XValue = A->getValue();
@@ -4639,7 +4632,6 @@ static bool isStrictlyPreprocessorAction(frontend::ActionKind Action) {
   case frontend::RewriteTest:
   case frontend::RunAnalysis:
   case frontend::TemplightDump:
-  case frontend::MigrateSource:
     return false;
 
   case frontend::DumpCompilerOptions: