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/lub-glb/old-lub-glb-object.rs | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 src/test/ui/lub-glb/old-lub-glb-object.rs (limited to 'src/test/ui/lub-glb/old-lub-glb-object.rs') diff --git a/src/test/ui/lub-glb/old-lub-glb-object.rs b/src/test/ui/lub-glb/old-lub-glb-object.rs new file mode 100644 index 000000000..b6ead9c68 --- /dev/null +++ b/src/test/ui/lub-glb/old-lub-glb-object.rs @@ -0,0 +1,23 @@ +// Test that we give a note when the old LUB/GLB algorithm would have +// succeeded but the new code (which is stricter) gives an error. + +trait Foo {} + +fn foo(x: &dyn for<'a, 'b> Foo<&'a u8, &'b u8>, y: &dyn for<'a> Foo<&'a u8, &'a u8>) { + let z = match 22 { + 0 => x, + _ => y, + //~^ ERROR mismatched types + //~| ERROR mismatched types + }; +} + +fn bar(x: &dyn for<'a, 'b> Foo<&'a u8, &'b u8>, y: &dyn for<'a> Foo<&'a u8, &'a u8>) { + // Accepted with explicit case: + let z = match 22 { + 0 => x as &dyn for<'a> Foo<&'a u8, &'a u8>, + _ => y, + }; +} + +fn main() {} -- cgit v1.2.3