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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
commit64d98f8ee037282c35007b64c2649055c56af1db (patch)
tree5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /src/test/ui/nll/closure-requirements/propagate-approximated-fail-no-postdom.rs
parentAdding debian version 1.67.1+dfsg1-1. (diff)
downloadrustc-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.rs51
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() {}