17e97322fb
On Windows, it might be possible that SuspendThread suspends a thread right between when an exception happens and when the exception handler runs. (This is my guess. I don't know the implementation detail of Windows exceptions to be sure.) In this case, we may inject a call to asyncPreempt before the exception handler runs. The exception handler will inject a sigpanic call, which will make the stack trace looks like sigpanic asyncPreempt actual panicking function i.e. it appears asyncPreempt panicked. Instead, just overwrite the PC, without pushing another frame. Fixes #35773. Change-Id: Ief4e964dcb7f45670b5f93c4dcf285cc1c737514 Reviewed-on: https://go-review.googlesource.com/c/go/+/213879 Run-TryBot: Cherry Zhang <cherryyz@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Austin Clements <austin@google.com> |
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