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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/borrowck/borrowck-report-with-custom-diagnostic.rs | |
parent | Initial commit. (diff) | |
download | rustc-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/borrowck/borrowck-report-with-custom-diagnostic.rs')
-rw-r--r-- | src/test/ui/borrowck/borrowck-report-with-custom-diagnostic.rs | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/borrowck-report-with-custom-diagnostic.rs b/src/test/ui/borrowck/borrowck-report-with-custom-diagnostic.rs new file mode 100644 index 000000000..6f323d912 --- /dev/null +++ b/src/test/ui/borrowck/borrowck-report-with-custom-diagnostic.rs @@ -0,0 +1,44 @@ +#![feature(rustc_attrs)] +#![allow(dead_code)] +fn main() { #![rustc_error] // rust-lang/rust#49855 + // Original borrow ends at end of function + let mut x = 1; + let y = &mut x; + //~^ mutable borrow occurs here + let z = &x; //~ ERROR cannot borrow + //~^ immutable borrow occurs here + z.use_ref(); + y.use_mut(); +} + +fn foo() { + match true { + true => { + // Original borrow ends at end of match arm + let mut x = 1; + let y = &x; + //~^ immutable borrow occurs here + let z = &mut x; //~ ERROR cannot borrow + //~^ mutable borrow occurs here + z.use_mut(); + y.use_ref(); + } + false => () + } +} + +fn bar() { + // Original borrow ends at end of closure + || { + let mut x = 1; + let y = &mut x; + //~^ first mutable borrow occurs here + let z = &mut x; //~ ERROR cannot borrow + //~^ second mutable borrow occurs here + z.use_mut(); + y.use_mut(); + }; +} + +trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { } } +impl<T> Fake for T { } |