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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /src/test/ui/nll/closure-requirements/propagate-approximated-fail-no-postdom.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/nll/closure-requirements/propagate-approximated-fail-no-postdom.rs')
-rw-r--r-- | src/test/ui/nll/closure-requirements/propagate-approximated-fail-no-postdom.rs | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/src/test/ui/nll/closure-requirements/propagate-approximated-fail-no-postdom.rs b/src/test/ui/nll/closure-requirements/propagate-approximated-fail-no-postdom.rs deleted file mode 100644 index 35a864b88..000000000 --- a/src/test/ui/nll/closure-requirements/propagate-approximated-fail-no-postdom.rs +++ /dev/null @@ -1,51 +0,0 @@ -// Test where we fail to approximate due to demanding a postdom -// relationship between our upper bounds. - -// compile-flags:-Zverbose - -#![feature(rustc_attrs)] - -use std::cell::Cell; - -// Callee knows that: -// -// 'x: 'a -// 'x: 'b -// 'c: 'y -// -// we have to prove that `'x: 'y`. We currently can only approximate -// via a postdominator -- hence we fail to choose between `'a` and -// `'b` here and report the error in the closure. -fn establish_relationships<'a, 'b, 'c, F>( - _cell_a: Cell<&'a u32>, - _cell_b: Cell<&'b u32>, - _cell_c: Cell<&'c u32>, - _closure: F, -) where - F: for<'x, 'y> FnMut( - Cell<&'a &'x u32>, // shows that 'x: 'a - Cell<&'b &'x u32>, // shows that 'x: 'b - Cell<&'y &'c u32>, // shows that 'c: 'y - Cell<&'x u32>, - Cell<&'y u32>, - ), -{ -} - -fn demand_y<'x, 'y>(_cell_x: Cell<&'x u32>, _cell_y: Cell<&'y u32>, _y: &'y u32) {} - -#[rustc_regions] -fn supply<'a, 'b, 'c>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>, cell_c: Cell<&'c u32>) { - establish_relationships( - cell_a, - cell_b, - cell_c, - |_outlives1, _outlives2, _outlives3, x, y| { - // Only works if 'x: 'y: - let p = x.get(); - demand_y(x, y, p) //~ ERROR - }, - ); -} - -fn main() {} |