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
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 5a0117a..a189155 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -1065,6 +1065,7 @@
 
 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;
 }