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-rw-r--r--library/std/src/process.rs3
1 files changed, 3 insertions, 0 deletions
diff --git a/library/std/src/process.rs b/library/std/src/process.rs
index 95108f96e06..00027591a13 100644
--- a/library/std/src/process.rs
+++ b/library/std/src/process.rs
@@ -1898,6 +1898,9 @@ pub fn exit(code: i32) -> ! {
 /// process, no destructors on the current stack or any other thread's stack
 /// will be run.
 ///
+/// Rust IO buffers (eg, from `BufWriter`) will not be flushed.
+/// Likewise, C stdio buffers will (on most platforms) not be flushed.
+///
 /// This is in contrast to the default behaviour of [`panic!`] which unwinds
 /// the current thread's stack and calls all destructors.
 /// When `panic="abort"` is set, either as an argument to `rustc` or in a