From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:03 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- .../borrowck-report-with-custom-diagnostic.rs | 44 ++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 tests/ui/borrowck/borrowck-report-with-custom-diagnostic.rs (limited to 'tests/ui/borrowck/borrowck-report-with-custom-diagnostic.rs') diff --git a/tests/ui/borrowck/borrowck-report-with-custom-diagnostic.rs b/tests/ui/borrowck/borrowck-report-with-custom-diagnostic.rs new file mode 100644 index 000000000..6f323d912 --- /dev/null +++ b/tests/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 Fake for T { } -- cgit v1.2.3