diff options
Diffstat (limited to 'tests/ui/lint/dead-code/self-assign.rs')
| -rw-r--r-- | tests/ui/lint/dead-code/self-assign.rs | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/tests/ui/lint/dead-code/self-assign.rs b/tests/ui/lint/dead-code/self-assign.rs index 357846baf22..ce91f53cbf1 100644 --- a/tests/ui/lint/dead-code/self-assign.rs +++ b/tests/ui/lint/dead-code/self-assign.rs @@ -7,23 +7,20 @@ //! - `dead_code` lint expansion for self-assignments was implemented in #87129. //! - Unfortunately implementation components of #87129 had to be disabled as part of reverts //! #86212, #83171 (to revert #81473) to address regressions #81626 and #81658. -//! - Consequently, none of the following warnings are emitted. +//! - Re-enabled in current version to properly detect self-assignments. //@ check-pass -// Implementation of self-assignment `dead_code` lint expansions disabled due to reverts. -//@ known-bug: #75356 - #![allow(unused_assignments)] #![warn(dead_code)] fn main() { let mut x = 0; x = x; - // FIXME ~^ WARNING: useless assignment of variable of type `i32` to itself + //~^ WARNING: useless assignment of variable of type `i32` to itself x = (x); - // FIXME ~^ WARNING: useless assignment of variable of type `i32` to itself + //~^ WARNING: useless assignment of variable of type `i32` to itself x = {x}; // block expressions don't count as self-assignments @@ -32,10 +29,10 @@ fn main() { struct S<'a> { f: &'a str } let mut s = S { f: "abc" }; s = s; - // FIXME ~^ WARNING: useless assignment of variable of type `S` to itself + //~^ WARNING: useless assignment of variable of type `S<'_>` to itself s.f = s.f; - // FIXME ~^ WARNING: useless assignment of field of type `&str` to itself + //~^ WARNING: useless assignment of field of type `&str` to itself struct N0 { x: Box<i32> } @@ -44,11 +41,11 @@ fn main() { 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; - // FIXME ~^ WARNING: useless assignment of field of type `Box<i32>` to itself + //~^ 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; - // FIXME ~^ WARNING: useless assignment of field of type `i32` to itself + //~^ WARNING: useless assignment of field of type `i32` to itself let mut y = 0; |