From a4b7ed7a42c716ab9f05e351f003d589124fd55d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:18:58 +0200 Subject: Adding upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/parser/intersection-patterns-2.rs | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 tests/ui/parser/intersection-patterns-2.rs (limited to 'tests/ui/parser/intersection-patterns-2.rs') diff --git a/tests/ui/parser/intersection-patterns-2.rs b/tests/ui/parser/intersection-patterns-2.rs new file mode 100644 index 000000000..408415e87 --- /dev/null +++ b/tests/ui/parser/intersection-patterns-2.rs @@ -0,0 +1,20 @@ +// This tests the parser recovery in `recover_intersection_pat` +// and serves as a regression test for the diagnostics issue #65400. +// +// The general idea is that for `$pat_lhs @ $pat_rhs` where +// `$pat_lhs` is not generated by `ref? mut? $ident` we want +// to suggest either switching the order or note that intersection +// patterns are not allowed. + +fn main() { + let s: Option = None; + + match s { + Some(x) @ Some(y) => {} + //~^ ERROR left-hand side of `@` must be a binding + //~| interpreted as a pattern, not a binding + //~| also a pattern + //~| NOTE bindings are `x`, `mut x`, `ref x`, and `ref mut x` + _ => {} + } +} -- cgit v1.2.3