Terraform destroy fails when GCP disk used by multiple instances

[honnibal]

Re Issue #8667, PR #14651

I have a readonly google_compute_disk that's attached to multiple instances. When I do terraform destroy, I get an Error detaching disk error, noting that an instance was not found. If I run delete a second time, it succeeds.

I'm using v0.11.8.

Further details:

• The disk is defined in the top-level main.tf
• The disk is used by an instance template within a managed instance group, within a submodule.
• In order to pass the disk into the submodule, I pass it by name (since I can't get a reference to the resource in the submodule)

[ghost]

This issue has been automatically migrated to hashicorp/terraform-provider-google#3410 because it looks like an issue with that provider. If you believe this is not an issue with the provider, please reply to hashicorp/terraform-provider-google#3410.

[ghost]

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