From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- .../clippy/tests/ui/undropped_manually_drops.rs | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 src/tools/clippy/tests/ui/undropped_manually_drops.rs (limited to 'src/tools/clippy/tests/ui/undropped_manually_drops.rs') diff --git a/src/tools/clippy/tests/ui/undropped_manually_drops.rs b/src/tools/clippy/tests/ui/undropped_manually_drops.rs new file mode 100644 index 000000000..f4cfc92e1 --- /dev/null +++ b/src/tools/clippy/tests/ui/undropped_manually_drops.rs @@ -0,0 +1,26 @@ +#![warn(clippy::undropped_manually_drops)] + +struct S; + +fn main() { + let f = std::mem::drop; + let g = std::mem::ManuallyDrop::drop; + let mut manual1 = std::mem::ManuallyDrop::new(S); + let mut manual2 = std::mem::ManuallyDrop::new(S); + let mut manual3 = std::mem::ManuallyDrop::new(S); + let mut manual4 = std::mem::ManuallyDrop::new(S); + + // These lines will not drop `S` and should be linted + drop(std::mem::ManuallyDrop::new(S)); + drop(manual1); + + // FIXME: this line is not linted, though it should be + f(manual2); + + // These lines will drop `S` and should be okay. + unsafe { + std::mem::ManuallyDrop::drop(&mut std::mem::ManuallyDrop::new(S)); + std::mem::ManuallyDrop::drop(&mut manual3); + g(&mut manual4); + } +} -- cgit v1.2.3