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for alignment errors, note that there might be false positives #1328

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Apr 13, 2020
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for alignment errors, note that there might be false positives #1328

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5 changes: 5 additions & 0 deletions src/diagnostics.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -93,6 +93,11 @@ pub fn report_error<'tcx, 'mir>(
vec![format!("make sure to use a Miri sysroot, which you can prepare with `cargo miri setup`")],
Unsupported(_) =>
vec![format!("this is likely not a bug in the program; it indicates that the program performed an operation that the interpreter does not support")],
UndefinedBehavior(UndefinedBehaviorInfo::AlignmentCheckFailed { .. }) =>
vec![
format!("this usually indicates that your program performed an invalid operation and caused Undefined Behavior"),
format!("but alignment errors can also be false positives, see https://github.com/rust-lang/miri/issues/1074"),
],
UndefinedBehavior(_) =>
vec![
format!("this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior"),
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