fix(core): property overrides fail for references #15018
Merged
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If a property override added an
IResolvable
as the value,it would not be resolved,
but instead treated as a CloudFormation object when rendering the resource's properties,
which would lead to some weird behavior
(the properties of the
IResolvable
would be merged into the template).This was noticed by a customer using CFN-Include.
As a solution, resolve the overrides before merging them with the properties of the resource.
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license