Bug Report: demonstration of overlays and allOf not playing together nicely

[nelzblooket]

Following the instructions:

Version of oapi-codegen - from main pulled today:

$ go run github.com/oapi-codegen/oapi-codegen/v2/cmd/oapi-codegen -version
github.com/oapi-codegen/oapi-codegen/v2/cmd/oapi-codegen
(devel)

Go version:

$ go version
go version go1.24.0 darwin/arm64

Problem statement: When doing an overlay of a type that has an allOf with a reference to another overlay, the subset overlay is being created as the alias in the generated file.

[kusari-inspector[bot]]

Kusari Analysis Results:

✅ No Flagged Issues Detected All values appear to be within acceptable risk parameters.

No pinned version dependency changes, code issues or exposed secrets detected!

[!NOTE] View full detailed analysis result for more information on the output and the checks that were run.

---

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