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//@ run-fail
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//@ error-pattern:thread 'main' panicked
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//@ error-pattern:attempt to subtract with overflow
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//@ ignore-emscripten no processes
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//@ compile-flags: -C debug-assertions
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#![allow(arithmetic_overflow)]
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fn main() {
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let _x = 42u8 - (42u8 + 1);
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}
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