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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /src/test/ui/liveness/liveness-unused.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/liveness/liveness-unused.rs')
-rw-r--r-- | src/test/ui/liveness/liveness-unused.rs | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/src/test/ui/liveness/liveness-unused.rs b/src/test/ui/liveness/liveness-unused.rs deleted file mode 100644 index 9c7be15fc..000000000 --- a/src/test/ui/liveness/liveness-unused.rs +++ /dev/null @@ -1,141 +0,0 @@ -#![warn(unused)] -#![deny(unused_variables)] -#![deny(unused_assignments)] -#![allow(dead_code, non_camel_case_types, trivial_numeric_casts)] - -use std::ops::AddAssign; - -fn f1(x: isize) { - //~^ ERROR unused variable: `x` -} - -fn f1b(x: &mut isize) { - //~^ ERROR unused variable: `x` -} - -#[allow(unused_variables)] -fn f1c(x: isize) {} - -fn f1d() { - let x: isize; - //~^ ERROR unused variable: `x` -} - -fn f2() { - let x = 3; - //~^ ERROR unused variable: `x` -} - -fn f3() { - let mut x = 3; - //~^ ERROR variable `x` is assigned to, but never used - x += 4; - //~^ ERROR value assigned to `x` is never read -} - -fn f3b() { - let mut z = 3; - //~^ ERROR variable `z` is assigned to, but never used - loop { - z += 4; - } -} - -#[allow(unused_variables)] -fn f3c() { - let mut z = 3; - loop { z += 4; } -} - -#[allow(unused_variables)] -#[allow(unused_assignments)] -fn f3d() { - let mut x = 3; - x += 4; -} - -fn f4() { - match Some(3) { - Some(i) => { - //~^ ERROR unused variable: `i` - } - None => {} - } -} - -enum tri { - a(isize), b(isize), c(isize) -} - -fn f4b() -> isize { - match tri::a(3) { - tri::a(i) | tri::b(i) | tri::c(i) => { - i - } - } -} - -fn f5a() { - for x in 1..10 { } - //~^ ERROR unused variable: `x` -} - -fn f5b() { - for (x, _) in [1, 2, 3].iter().enumerate() { } - //~^ ERROR unused variable: `x` -} - -fn f5c() { - for (_, x) in [1, 2, 3].iter().enumerate() { - //~^ ERROR unused variable: `x` - continue; - drop(*x as i32); //~ WARNING unreachable statement - } -} - -struct View<'a>(&'a mut [i32]); - -impl<'a> AddAssign<i32> for View<'a> { - fn add_assign(&mut self, rhs: i32) { - for lhs in self.0.iter_mut() { - *lhs += rhs; - } - } -} - -fn f6() { - let mut array = [1, 2, 3]; - let mut v = View(&mut array); - - // ensure an error shows up for x even if lhs of an overloaded add assign - - let x; - //~^ ERROR variable `x` is assigned to, but never used - - *({ - x = 0; //~ ERROR value assigned to `x` is never read - &mut v - }) += 1; -} - - -struct MutRef<'a>(&'a mut i32); - -impl<'a> AddAssign<i32> for MutRef<'a> { - fn add_assign(&mut self, rhs: i32) { - *self.0 += rhs; - } -} - -fn f7() { - let mut a = 1; - { - // `b` does not trigger unused_variables - let mut b = MutRef(&mut a); - b += 1; - } - drop(a); -} - -fn main() { -} |