Test rules_cc postsubmit pipeline
RELNOTES: None.
PiperOrigin-RevId: 228871773
diff --git a/README.md b/README.md
index 1ae74b3..126985c 100644
--- a/README.md
+++ b/README.md
@@ -34,3 +34,15 @@
This repository also contains migration tools that can be used to migrate your
project for Bazel incompatible changes.
+
+## Legacy fields migrator
+
+Script that migrates legacy crosstool fields into features
+([incompatible flag](https://github.com/bazelbuild/bazel/issues/6861),
+[tracking issue](https://github.com/bazelbuild/bazel/issues/5883).
+
+TLDR:
+
+ bazel run @rules_cc//tools/migration:legacy_fields_migrator -- \
+ --input=my_toolchain/CROSSTOOL \
+ --inline