{"action":"created","issue":{"url":"https://api.github.com/repos/dart-lang/sdk/issues/27364","repository_url":"https://api.github.com/repos/dart-lang/sdk","labels_url":"https://api.github.com/repos/dart-lang/sdk/issues/27364/labels{/name}","comments_url":"https://api.github.com/repos/dart-lang/sdk/issues/27364/comments","events_url":"https://api.github.com/repos/dart-lang/sdk/issues/27364/events","html_url":"https://github.com/dart-lang/sdk/issues/27364","id":177316614,"number":27364,"title":"Assertion failure in VerifyCanonicalVisitor","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":"closed","locked":false,"assignee":{"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},"assignees":[{"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}],"milestone":null,"comments":3,"created_at":"2016-09-15T23:42:41Z","updated_at":"2016-10-07T21:02:00Z","closed_at":"2016-10-07T21:02:00Z","body":"Repro is running with --optimization-counter-threshold=5 in DEBUG mode. @a-siva \r\n\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\n```\r\nruntime/vm/verifier.cc: 97: error: expected: instanceHandle_.CheckIsCanonical(thread_)\r\n```\r\n\r\n```\r\n(gdb) bt\r\n#0  0x00007ffff6c01c37 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56\r\n#1  0x00007ffff6c05028 in __GI_abort () at abort.c:89\r\n#2  0x0000000000858a59 in dart::OS::Abort () at runtime/vm/os_linux.cc:416\r\n#3  0x00000000005c350f in dart::DynamicAssertionHelper::Fail (this=this@entry=0x7fffd7a08200, format=format@entry=0xba21a4 \"expected: %s\") at runtime/platform/assert.cc:43\r\n#4  0x0000000000983cd6 in dart::VerifyCanonicalVisitor::VisitObject (this=0x7fffd7a08410, obj=<optimized out>) at runtime/vm/verifier.cc:97\r\n#5  0x00000000008604b1 in dart::HeapPage::VisitObjects (this=<optimized out>, visitor=visitor@entry=0x7fffd7a08410) at runtime/vm/pages.cc:84\r\n#6  0x0000000000861018 in dart::PageSpace::VisitObjects (this=this@entry=0x7fffc4022828, visitor=visitor@entry=0x7fffd7a08410) at runtime/vm/pages.cc:606\r\n#7  0x000000000070e189 in dart::Heap::IterateOldObjects (this=this@entry=0x7fffc4022710, visitor=visitor@entry=0x7fffd7a08410) at runtime/vm/heap.cc:250\r\n#8  0x000000000070e2a1 in dart::Heap::IterateObjects (this=0x7fffc4022710, visitor=visitor@entry=0x7fffd7a08410) at runtime/vm/heap.cc:244\r\n#9  0x0000000000778932 in dart::ShutdownIsolate (parameter=140736481725216) at runtime/vm/isolate.cc:1506\r\n#10 0x00000000007adb2d in dart::MessageHandler::TaskCallback (this=0x7fffc4026a90) at runtime/vm/message_handler.cc:422\r\n#11 0x00000000007ae47a in dart::MessageHandlerTask::Run (this=0x7fffe8037b70) at runtime/vm/message_handler.cc:29\r\n#12 0x0000000000973c41 in dart::ThreadPool::Worker::Loop (this=this@entry=0x7fffd8003080) at runtime/vm/thread_pool.cc:407\r\n#13 0x00000000009741f4 in dart::ThreadPool::Worker::Main (args=140736817279104) at runtime/vm/thread_pool.cc:464\r\n#14 0x000000000085a963 in dart::ThreadStart (data_ptr=<optimized out>) at runtime/vm/os_thread_linux.cc:123\r\n#15 0x00007ffff7bc4184 in start_thread (arg=0x7fffd7a09700) at pthread_create.c:312\r\n#16 0x00007ffff6cc537d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111\r\n```"},"comment":{"url":"https://api.github.com/repos/dart-lang/sdk/issues/comments/252360240","html_url":"https://github.com/dart-lang/sdk/issues/27364#issuecomment-252360240","issue_url":"https://api.github.com/repos/dart-lang/sdk/issues/27364","id":252360240,"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},"created_at":"2016-10-07T21:02:00Z","updated_at":"2016-10-07T21:02:00Z","body":"This specific issue is fixed. There is stricter verification code that is currently disabled. But that seems like a different issue."}}
{"actor":{"display_login":"fsc8000"}}