{"action":"opened","issue":{"url":"https://api.github.com/repos/dart-lang/sdk/issues/27366","repository_url":"https://api.github.com/repos/dart-lang/sdk","labels_url":"https://api.github.com/repos/dart-lang/sdk/issues/27366/labels{/name}","comments_url":"https://api.github.com/repos/dart-lang/sdk/issues/27366/comments","events_url":"https://api.github.com/repos/dart-lang/sdk/issues/27366/events","html_url":"https://github.com/dart-lang/sdk/issues/27366","id":177319771,"number":27366,"title":"Assertion failure in NoReloadScope::~NoReloadScope","user":{"login":"fsc8000","id":2890421,"avatar_url":"https://avatars.githubusercontent.com/u/2890421?v=3","gravatar_id":"","url":"https://api.github.com/users/fsc8000","html_url":"https://github.com/fsc8000","followers_url":"https://api.github.com/users/fsc8000/followers","following_url":"https://api.github.com/users/fsc8000/following{/other_user}","gists_url":"https://api.github.com/users/fsc8000/gists{/gist_id}","starred_url":"https://api.github.com/users/fsc8000/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/fsc8000/subscriptions","organizations_url":"https://api.github.com/users/fsc8000/orgs","repos_url":"https://api.github.com/users/fsc8000/repos","events_url":"https://api.github.com/users/fsc8000/events{/privacy}","received_events_url":"https://api.github.com/users/fsc8000/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/dart-lang/sdk/labels/area-vm","name":"area-vm","color":"c7def8"},{"url":"https://api.github.com/repos/dart-lang/sdk/labels/vm-hot-reload","name":"vm-hot-reload","color":"d4c5f9"}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-09-16T00:08:22Z","updated_at":"2016-09-16T00:08:22Z","closed_at":null,"body":"@johnmccutchan @turnidge \r\n\r\nRepro (not very reliable, but did observe it on my local machine):\r\n```\r\ngdb --args out/DebugX64/dart --short_socket_read --short_socket_write --optimization-counter-threshold=5 --ignore-unrecognized-flags --package-root=out/DebugX64/packages/ tests/standalone/io/socket_close_test.dart\r\n```\r\n\r\nOutput:\r\n```\r\nruntime/vm/isolate.cc: 157: error: expected: isolate_->no_reload_scope_depth_ >= 0\r\n```\r\n\r\nIt seems that the update of isolate_->no_reload_scope_depth_ is not thread-safe. \r\n"}}
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