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Hiroyuki Katsura

PROFILE

Hiroyuki Katsura

Moratorium08 contributed to the rems-project/cn repository by delivering targeted bug fixes that improved compiler correctness and solver stability. Over two months, they enhanced the handling of C’s offsetof by switching from sint to size_t in OCaml modules, ensuring type safety and cross-platform consistency. They also addressed a regression in the SMT solver’s array shift logic, implementing type-aware casting checks in C and OCaml to prevent incorrect operation order. Their work included expanding test coverage with dedicated and regression tests, strengthening static analysis and reducing future risk. These contributions demonstrated depth in compiler development, type systems, and rigorous testing practices.

Overall Statistics

Feature vs Bugs

0%Features

Repository Contributions

2Total
Bugs
2
Commits
2
Features
0
Lines of code
39
Activity Months2

Work History

June 2025

1 Commits

Jun 1, 2025

Monthly summary for 2025-06 focused on delivering business value through stabilization of the SMT solver for the rems-project/cn repository and strengthening test coverage.

April 2025

1 Commits

Apr 1, 2025

April 2025: Delivered a key correctness improvement in the rems-project/cn repository by aligning offsetof handling with C standards and improving test coverage.

Activity

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Quality Metrics

Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance100.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

CMLOCaml

Technical Skills

Compiler DevelopmentSMT SolverStatic AnalysisTestingType System

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

rems-project/cn

Apr 2025 Jun 2025
2 Months active

Languages Used

COCamlML

Technical Skills

Compiler DevelopmentTestingType SystemSMT SolverStatic Analysis

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