Proposal: Add YAML file with VM patch file information.

runtime/vm/libraries.yaml

+# Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
+# for details. All rights reserved. Use of this source code is governed by a
+# BSD-style license that can be found in the LICENSE file.
+
+# Note: if you edit this file, you must also edit libraries.json in this
+# directory:
+#
+#     ../../tools/yaml2json.py libraries.yaml libraries.json
+#
+# We currently have several different files that needs to be updated when
+# changing libraries, sources, and patch files.  See
+# https://github.com/dart-lang/sdk/issues/28836.
+
+async:
+  sources:
+    - async_patch.dart
+    - deferred_load_patch.dart
+    - schedule_microtask_patch.dart
+    - timer_patch.dart
+  directory: ../lib
+
+collection:
+  sources:
+    - collection_patch.dart
+    - compact_hash.dart
+    - linked_hash_map.cc
+  directory: ../lib
+
+convert:
+  sources:
+    - convert_patch.dart
+  directory: ../lib
+
+core:
+  sources:
+    - core_patch.dart
+    - array.cc
+    - array.dart
+    - array_patch.dart
+    - bigint.dart
+    - bool.cc
+    - bool_patch.dart
+    - date.cc
+    - date_patch.dart
+    - double.cc
+    - double.dart
+    - double_patch.dart
+    - errors.cc
+    - errors_patch.dart
+    - expando_patch.dart
+    - function.cc
+    - function.dart
+    - function_patch.dart
+    - growable_array.cc
+    - growable_array.dart
+    - identical.cc
+    - identical_patch.dart
+    - immutable_map.dart
+    - integers.cc
+    - integers.dart
+    - integers_patch.dart
+    - invocation_mirror.h
+    - invocation_mirror_patch.dart
+    - lib_prefix.dart
+    - map_patch.dart
+    - null_patch.dart
+    - object.cc
+    - object_patch.dart
+    - regexp.cc
+    - regexp_patch.dart
+    - stacktrace.cc
+    - stacktrace.dart
+    - stacktrace.h
+    - stopwatch.cc
+    - stopwatch_patch.dart
+    - string.cc
+    - string_buffer_patch.dart
+    - string_patch.dart
+    - type_patch.dart
+    - uri.cc
+    - uri_patch.dart
+    - weak_property.cc
+    - weak_property.dart
+  directory: ../lib
+
+developer:
+  sources:
+    - developer.cc
+    - developer.dart
+    - profiler.cc
+    - profiler.dart
+    - timeline.cc
+    - timeline.dart
+  directory: ../lib
+
+_internal:
+  sources:
+    - internal_patch.dart
+    - class_id.dart
+    - class_id.cc
+    - print_patch.dart
+    - symbol_patch.dart
+  directory: ../lib
+
+isolate:
+  sources:
+    - isolate_patch.dart
+    - isolate.cc
+    - timer_impl.dart
+  directory: ../lib
+
+math:
+  sources:
+    - math.cc
+    - math_patch.dart
+  directory: ../lib
+
+mirrors:
+  sources:
+    - mirrors.cc
+    - mirrors.h
+    - mirrors_patch.dart
+    - mirrors_impl.dart
+    - mirror_reference.dart
+  directory: ../lib
+
+profiler:
+  sources:
+    - empty_source.dart
+  directory: ../lib
+
+typed_data:
+  sources:
+    - typed_data.cc
+    - typed_data_patch.dart
+    - simd128.cc
+  directory: ../lib
+
+vmservice:
+  sources:
+    - vmservice_patch.dart
+    - vmservice.cc
+  directory: ../lib
+
+io:
+  sources:
+    - common_patch.dart
+    - directory_patch.dart
+    - eventhandler_patch.dart
+    - file_patch.dart
+    - file_system_entity_patch.dart
+    - filter_patch.dart
+    - io_service_patch.dart
+    - platform_patch.dart
+    - process_patch.dart
+    - service_object_patch.dart
+    - socket_patch.dart
+    - stdio_patch.dart
+    - secure_socket_patch.dart
+  directory: ../bin