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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/tools/clippy/tests/ui/deref_addrof_double_trigger.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/tools/clippy/tests/ui/deref_addrof_double_trigger.rs')
-rw-r--r--src/tools/clippy/tests/ui/deref_addrof_double_trigger.rs23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/deref_addrof_double_trigger.rs b/src/tools/clippy/tests/ui/deref_addrof_double_trigger.rs
new file mode 100644
index 000000000..453194329
--- /dev/null
+++ b/src/tools/clippy/tests/ui/deref_addrof_double_trigger.rs
@@ -0,0 +1,23 @@
+// This test can't work with run-rustfix because it needs two passes of test+fix
+
+#[warn(clippy::deref_addrof)]
+#[allow(unused_variables, unused_mut)]
+fn main() {
+ let a = 10;
+
+ //This produces a suggestion of 'let b = *&a;' which
+ //will trigger the 'clippy::deref_addrof' lint again
+ let b = **&&a;
+
+ {
+ let mut x = 10;
+ let y = *&mut x;
+ }
+
+ {
+ //This produces a suggestion of 'let y = *&mut x' which
+ //will trigger the 'clippy::deref_addrof' lint again
+ let mut x = 10;
+ let y = **&mut &mut x;
+ }
+}