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-rw-r--r--tests/ui/io-checks/stdout-stderr-separation.rs3
1 files changed, 3 insertions, 0 deletions
diff --git a/tests/ui/io-checks/stdout-stderr-separation.rs b/tests/ui/io-checks/stdout-stderr-separation.rs
index 4b356e2fe61..1bb3f16d3a1 100644
--- a/tests/ui/io-checks/stdout-stderr-separation.rs
+++ b/tests/ui/io-checks/stdout-stderr-separation.rs
@@ -1,3 +1,6 @@
+//! Test that print!/println! output to stdout and eprint!/eprintln!
+//! output to stderr correctly.
+
 //@ run-pass
 //@ needs-subprocess