Worked on the google/kotlin repository to enhance stability and correctness in SAM-related type resolution within the Kotlin compiler. Addressed a specific bug by introducing a safeguard in the samOwnerOrNull function, ensuring it only processes functional interfaces and thereby preventing exceptions caused by unresolved fake override declarations. This targeted fix reduced unnecessary unwrapping in SAM owner resolution, lowering crash risk and improving performance in complex type resolution paths. Demonstrated expertise in code analysis, compiler development, and testing, utilizing both Kotlin and Java. The contribution improved runtime stability and developer experience while maintaining a focused and well-documented approach to code quality.