[SDK modernizer]. Patch fixes driver's lack of
recognition of mernizer's -objcmt-migrate-property-dot-syntax
option with a new test in test/Driver. rdar://19994452

llvm-svn: 231080
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index eff0ca7..17b430c 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -3448,6 +3448,7 @@
     Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_all);
     Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_readonly_property);
     Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_readwrite_property);
+    Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_property_dot_syntax);
     Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_annotation);
     Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_instancetype);
     Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_nsmacros);
diff --git a/clang/test/Driver/objc-sdk-migration-options.m b/clang/test/Driver/objc-sdk-migration-options.m
new file mode 100644
index 0000000..c3b295e
--- /dev/null
+++ b/clang/test/Driver/objc-sdk-migration-options.m
@@ -0,0 +1,9 @@
+// Check miscellaneous Objective-C sdk migration options.
+// rdar://19994452
+
+// RUN: %clang  -objcmt-migrate-property-dot-syntax -target x86_64-apple-darwin10 -S -### %s \
+// RUN:   -arch x86_64 2> %t
+// RUN: FileCheck < %t %s
+
+// CHECK: "-cc1"
+// CHECK: -objcmt-migrate-property-dot-syntax