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/union/union-lint-dead-code.rs | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 src/test/ui/union/union-lint-dead-code.rs (limited to 'src/test/ui/union/union-lint-dead-code.rs') diff --git a/src/test/ui/union/union-lint-dead-code.rs b/src/test/ui/union/union-lint-dead-code.rs new file mode 100644 index 000000000..65aaf0a1d --- /dev/null +++ b/src/test/ui/union/union-lint-dead-code.rs @@ -0,0 +1,18 @@ +// revisions: mirunsafeck thirunsafeck +// [thirunsafeck]compile-flags: -Z thir-unsafeck + +#![deny(dead_code)] + +union Foo { + x: usize, + b: bool, //~ ERROR: field `b` is never read + _unused: u16, +} + +fn field_read(f: Foo) -> usize { + unsafe { f.x } +} + +fn main() { + let _ = field_read(Foo { x: 2 }); +} -- cgit v1.2.3