integer-changes

#integer-changes

The case of the mysterious changes to integers when there shouldn’t have been any code generation effect

The Old New Thing (Raymond Chen) ↗ · 2026-07-10 Cached

A developer discovers that swapping two equivalent macros caused unexpected integer changes in unrelated functions, and the blog post investigates the mystery, questioning an LLM's explanation about control flow guard.

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integer-changes

The case of the mysterious changes to integers when there shouldn’t have been any code generation effect

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