Backport "Fix cyclic module crash" to 4.8 LTS #20466
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`@ember/engine/index` and `@ember/engine/instance` have circular dependencies on each other. This would be OK, except that `instance.ts` is eagerly copying a class off `index.ts`, at a point in time where it might not actually be available. Whether this bug hits you depends on which side of the pair gets evaluated first. I only happened hit it when testing an app with engines and fastboot on Ember 5. This fix is to not eagerly pull the class off the module. # Conflicts: # packages/@ember/engine/instance.ts
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This was already backported to LTS versions 4.8+ |
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Backports #20461