Build fails with unreachable for Coding-Course-37 Kiko

[nighca]

Background

Builder issue: goplus/builder#3327
Project URL: https://x.qiniu.com/editor/curator/Coding-Course-37/sprites/Kiko/code

The linked XBuilder project fails when running/building the Kiko sprite code.

Reproduction

1. Open the project URL in XBuilder.
2. Run the project.

Actual behavior

The run/build fails with:

failed to build: failed to build XGo source: unreachable

Expected behavior

The project should build and run successfully.

Version notes

Observed with SPX v2.0.4.

Notes

The broader editor-facing report is tracked in goplus/builder#3327. This SPX issue only tracks the runtime/build failure.

Additional affected projects

The same build failure is also observed in nearby XBuilder projects, including Coding-Course-35 and Coding-Course-36.

[aofei]

@Ethanlita