0c3606f0ec
Improve error message to include the intended thread name and strerror. TEST=ci Change-Id: Iba61a40b312f6574e8e352d51a0c3de535f6a0c0 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/386361 Reviewed-by: Brian Quinlan <bquinlan@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>