Add a command line flag to avoid printing to stdout and stderr #2084
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Does this add a command line flag? Or just another |
RalfJung
reviewed
Apr 25, 2022
Those are the same thing? MIRIFLAGS is how you pass command line flags to the Miri driver when using the cargo wrapper. |
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Ah. I have only ever used the Cargo wrapper, this whole "Miri driver" thing is just something I hear you mention 😅 |
RalfJung
reviewed
Apr 30, 2022
RalfJung
reviewed
Apr 30, 2022
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r=me with the last 2 nits fixed. :) |
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@bors r=RalfJung |
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📌 Commit 6dc6256 has been approved by |
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☀️ Test successful - checks-actions |
This was referenced May 10, 2022
Comment on lines
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| impl<'tcx> Default for FileHandler { | ||
| fn default() -> Self { | ||
| impl<'tcx> FileHandler { | ||
| pub(crate) fn new(drop_stdout_stderr: bool) -> FileHandler { | ||
| let mut handles: BTreeMap<_, Box<dyn FileDescriptor>> = BTreeMap::new(); | ||
| handles.insert(0i32, Box::new(io::stdin())); | ||
| handles.insert(1i32, Box::new(io::stdout())); | ||
| if drop_stdout_stderr { | ||
| handles.insert(0i32, Box::new(DevNull)); | ||
| handles.insert(1i32, Box::new(DevNull)); | ||
| } else { | ||
| handles.insert(0i32, Box::new(io::stdin())); | ||
| handles.insert(1i32, Box::new(io::stdout())); | ||
| } | ||
| handles.insert(2i32, Box::new(io::stderr())); | ||
| FileHandler { handles } |
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This is practical for tests that don't actually care about the output and thus don't want it intermingled with miri's warnings, errors or ICEs
fixes #2083