diff options
Diffstat (limited to 'src/test/ui/lint/dead-code/self-assign.rs')
-rw-r--r-- | src/test/ui/lint/dead-code/self-assign.rs | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/src/test/ui/lint/dead-code/self-assign.rs b/src/test/ui/lint/dead-code/self-assign.rs deleted file mode 100644 index ea7ce98d8..000000000 --- a/src/test/ui/lint/dead-code/self-assign.rs +++ /dev/null @@ -1,52 +0,0 @@ -// Test that dead code warnings are issued for superfluous assignments of -// fields or variables to themselves (issue #75356). - -// ignore-test FIXME(81658, 83171) - -// check-pass -#![allow(unused_assignments)] -#![warn(dead_code)] - -fn main() { - let mut x = 0; - x = x; - //~^ WARNING: useless assignment of variable of type `i32` to itself - - x = (x); - //~^ WARNING: useless assignment of variable of type `i32` to itself - - x = {x}; - // block expressions don't count as self-assignments - - - struct S<'a> { f: &'a str } - let mut s = S { f: "abc" }; - s = s; - //~^ WARNING: useless assignment of variable of type `S` to itself - - s.f = s.f; - //~^ WARNING: useless assignment of field of type `&str` to itself - - - struct N0 { x: Box<i32> } - struct N1 { n: N0 } - struct N2(N1); - struct N3 { n: N2 }; - let mut n3 = N3 { n: N2(N1 { n: N0 { x: Box::new(42) } }) }; - n3.n.0.n.x = n3.n.0.n.x; - //~^ WARNING: useless assignment of field of type `Box<i32>` to itself - - let mut t = (1, ((2, 3, (4, 5)),)); - t.1.0.2.1 = t.1.0.2.1; - //~^ WARNING: useless assignment of field of type `i32` to itself - - - let mut y = 0; - macro_rules! assign_to_y { - ($cur:expr) => {{ - y = $cur; - }}; - } - assign_to_y!(y); - // self-assignments in macro expansions are not reported either -} |