Version 2.14.0-80.0.dev

Merge commit '29c850db57576489f0f92f40ea6de38f8a7873f8' into 'dev'
diff --git a/tests/corelib/weak_mode/README b/tests/corelib_2/weak_mode/README
similarity index 100%
rename from tests/corelib/weak_mode/README
rename to tests/corelib_2/weak_mode/README
diff --git a/tests/corelib/weak_mode/asyncMap_accepts_null.dart b/tests/corelib_2/weak_mode/asyncMap_accepts_null_test.dart
similarity index 100%
rename from tests/corelib/weak_mode/asyncMap_accepts_null.dart
rename to tests/corelib_2/weak_mode/asyncMap_accepts_null_test.dart
diff --git a/tests/corelib/weak_mode/future_sync_accepts_null.dart b/tests/corelib_2/weak_mode/future_sync_accepts_null_test.dart
similarity index 100%
rename from tests/corelib/weak_mode/future_sync_accepts_null.dart
rename to tests/corelib_2/weak_mode/future_sync_accepts_null_test.dart
diff --git a/tools/VERSION b/tools/VERSION
index e356ee5..6e18a17 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -27,5 +27,5 @@
 MAJOR 2
 MINOR 14
 PATCH 0
-PRERELEASE 79
+PRERELEASE 80
 PRERELEASE_PATCH 0
\ No newline at end of file