From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- src/test/ui/borrowck/borrowck-closures-mut-of-imm.rs | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 src/test/ui/borrowck/borrowck-closures-mut-of-imm.rs (limited to 'src/test/ui/borrowck/borrowck-closures-mut-of-imm.rs') diff --git a/src/test/ui/borrowck/borrowck-closures-mut-of-imm.rs b/src/test/ui/borrowck/borrowck-closures-mut-of-imm.rs new file mode 100644 index 000000000..d7e187a2b --- /dev/null +++ b/src/test/ui/borrowck/borrowck-closures-mut-of-imm.rs @@ -0,0 +1,18 @@ +// Tests that two closures cannot simultaneously have mutable +// and immutable access to the variable. Issue #6801. + +fn set(x: &mut isize) { + *x = 4; +} + +fn a(x: &isize) { + let mut c1 = || set(&mut *x); + //~^ ERROR cannot borrow + let mut c2 = || set(&mut *x); + //~^ ERROR cannot borrow + //~| ERROR two closures require unique access to `x` at the same time + c2(); c1(); +} + +fn main() { +} -- cgit v1.2.3