objc-arc: introduce -no-finalize-removal which in gc mode,

leaves "finalize' behind and in arc mode, does not
include it. This allows the migrated source to be compiled
in both gc and arc mode. // rdar://10532441

llvm-svn: 149079

clang/lib/Frontend/CompilerInvocation.cpp

@@ -1065,6 +1065,7 @@ static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args,
 
 static bool ParseMigratorArgs(MigratorOptions &Opts, ArgList &Args) {
   Opts.NoNSAllocReallocError = Args.hasArg(OPT_migrator_no_nsalloc_error);
+  Opts.NoFinalizeRemoval = Args.hasArg(OPT_migrator_no_finalize_removal);
   return true;
 }