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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/test/ui/lint/unused_braces_borrow.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/test/ui/lint/unused_braces_borrow.rs')
-rw-r--r--src/test/ui/lint/unused_braces_borrow.rs26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/ui/lint/unused_braces_borrow.rs b/src/test/ui/lint/unused_braces_borrow.rs
new file mode 100644
index 000000000..b7c529d73
--- /dev/null
+++ b/src/test/ui/lint/unused_braces_borrow.rs
@@ -0,0 +1,26 @@
+// check-pass
+// run-rustfix
+
+#![warn(unused_braces)]
+
+// changing `&{ expr }` to `&expr` changes the semantic of the program
+// so we should not warn this case
+
+#[repr(packed)]
+pub struct A {
+ pub a: u8,
+ pub b: u32,
+}
+
+fn consume<T>(_: T) {}
+
+fn main() {
+ let a = A {
+ a: 42,
+ b: 1729,
+ };
+
+ consume(&{ a.b });
+ consume({ a.b });
+ //~^ WARN unnecessary braces
+}