Troubleshooting

Compiler errors, warnings, tracing, runtime bisection, output order, persistence, and optimization.

Fix the first trustworthy failure, trace system boundaries, isolate runtime bugs, and optimize from measured compiler results.

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Work through these pages in order the first time. Return directly to any page later as a reference.

• Fix the first diagnostic first

• Diagnostic families

• High-value compiler errors

• High-value warnings

• Trace the right boundary

• Binary-search a runtime bug

• Output-order diagnosis

• Persistence diagnosis

• Optimization order

• Live-only review checklist