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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Rust 2024 compatibility","articleBody":"Rust 2024 doesn't allow references to static mut variables. Some tests fail:\n```\n********************\nFAIL: cpp2rust :: unit/bool_condition_logical.cpp/unsafe (24 of 634)\n******************** TEST 'cpp2rust :: unit/bool_condition_logical.cpp/unsafe' FAILED ********************\nrustc failed\nerror: creating a mutable reference to mutable static\n  --\u003e main.rs:28:5\n   |\n28 |     side_effect.prefix_inc();\n   |     ^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static\n   |\n   = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives\n   = note: for more information, see \u003chttps://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html\u003e\n   = note: `#[deny(static_mut_refs)]` (part of `#[deny(rust_2024_compatibility)]`) on by default\n\nerror: aborting due to 1 previous error\n```\n\nAfter fixing this, remove `-W static_mut_refs` from the `Cpp2RustTest.py` test driver.","author":{"url":"https://github.com/nunoplopes","@type":"Person","name":"nunoplopes"},"datePublished":"2026-05-17T17:19:29.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/114/cpp2rust/issues/114"}