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/inference/lub-glb-with-unbound-infer-var.rs | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 src/test/ui/inference/lub-glb-with-unbound-infer-var.rs (limited to 'src/test/ui/inference/lub-glb-with-unbound-infer-var.rs') diff --git a/src/test/ui/inference/lub-glb-with-unbound-infer-var.rs b/src/test/ui/inference/lub-glb-with-unbound-infer-var.rs new file mode 100644 index 000000000..c9e117089 --- /dev/null +++ b/src/test/ui/inference/lub-glb-with-unbound-infer-var.rs @@ -0,0 +1,15 @@ +// run-pass +// Test for a specific corner case: when we compute the LUB of two fn +// types and their parameters have unbound variables. In that case, we +// wind up relating those two variables. This was causing an ICE in an +// in-progress PR. + +fn main() { + let a_f: fn(_) = |_| (); + let b_f: fn(_) = |_| (); + let c_f = match 22 { + 0 => a_f, + _ => b_f, + }; + c_f(4); +} -- cgit v1.2.3