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Print to stderr when a graphviz file can't be written

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`warn` prints nothing by default
This commit is contained in:
Dylan MacKenzie 2020-10-05 10:12:48 -07:00
parent 29e5e6e766
commit 3b87398738
1 changed files with 1 additions and 1 deletions
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2
compiler/rustc_mir/src/dataflow/framework/engine.rs
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@ -248,7 +248,7 @@ where
let res = write_graphviz_results(tcx, &body, &results, pass_name); let res = write_graphviz_results(tcx, &body, &results, pass_name);
if let Err(e) = res { if let Err(e) = res {
warn!("Failed to write graphviz dataflow results: {}", e); error!("Failed to write graphviz dataflow results: {}", e);
} }
results results