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 --- .../hrtb-trait-object-passed-to-closure.rs | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 src/test/ui/higher-rank-trait-bounds/hrtb-trait-object-passed-to-closure.rs (limited to 'src/test/ui/higher-rank-trait-bounds/hrtb-trait-object-passed-to-closure.rs') diff --git a/src/test/ui/higher-rank-trait-bounds/hrtb-trait-object-passed-to-closure.rs b/src/test/ui/higher-rank-trait-bounds/hrtb-trait-object-passed-to-closure.rs new file mode 100644 index 000000000..41ebb3f5a --- /dev/null +++ b/src/test/ui/higher-rank-trait-bounds/hrtb-trait-object-passed-to-closure.rs @@ -0,0 +1,25 @@ +// run-pass +#![allow(dead_code)] +// Test that `&PrinterSupport`, which is really short for `&'a +// PrinterSupport<'b>`, gets properly expanded when it appears in a +// closure type. This used to result in messed up De Bruijn indices. + +// pretty-expanded FIXME #23616 + +trait PrinterSupport<'ast> { + fn ast_map(&self) -> Option<&'ast usize> { None } +} + +struct NoAnn<'ast> { + f: Option<&'ast usize> +} + +impl<'ast> PrinterSupport<'ast> for NoAnn<'ast> { +} + +fn foo<'ast, G>(f: Option<&'ast usize>, g: G) where G: FnOnce(&dyn PrinterSupport) { + let annotation = NoAnn { f: f }; + g(&annotation) +} + +fn main() {} -- cgit v1.2.3