diff options
Diffstat (limited to 'src/test/ui/regions/regions-free-region-ordering-callee.rs')
-rw-r--r-- | src/test/ui/regions/regions-free-region-ordering-callee.rs | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/src/test/ui/regions/regions-free-region-ordering-callee.rs b/src/test/ui/regions/regions-free-region-ordering-callee.rs deleted file mode 100644 index 8158e81e1..000000000 --- a/src/test/ui/regions/regions-free-region-ordering-callee.rs +++ /dev/null @@ -1,30 +0,0 @@ -// Tests that callees correctly infer an ordering between free regions -// that appear in their parameter list. See also -// regions-free-region-ordering-caller.rs - -fn ordering1<'a, 'b>(x: &'a &'b usize) -> &'a usize { - // It is safe to assume that 'a <= 'b due to the type of x - let y: &'b usize = &**x; - return y; -} - -fn ordering2<'a, 'b>(x: &'a &'b usize, y: &'a usize) -> &'b usize { - // However, it is not safe to assume that 'b <= 'a - &*y - //~^ ERROR lifetime may not live long enough -} - -fn ordering3<'a, 'b>(x: &'a usize, y: &'b usize) -> &'a &'b usize { - // Do not infer an ordering from the return value. - let z: &'b usize = &*x; - //~^ ERROR lifetime may not live long enough - panic!(); -} - -// see regions-free-region-ordering-callee-4.rs - -fn ordering5<'a, 'b>(a: &'a usize, b: &'b usize, x: Option<&'a &'b usize>) { - let z: Option<&'a &'b usize> = None; -} - -fn main() {} |