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-fields-1.rs | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 src/test/ui/union/union-fields-1.rs (limited to 'src/test/ui/union/union-fields-1.rs') diff --git a/src/test/ui/union/union-fields-1.rs b/src/test/ui/union/union-fields-1.rs new file mode 100644 index 000000000..cf2ef4c03 --- /dev/null +++ b/src/test/ui/union/union-fields-1.rs @@ -0,0 +1,35 @@ +// revisions: mirunsafeck thirunsafeck +// [thirunsafeck]compile-flags: -Z thir-unsafeck + +#![deny(dead_code)] + +union U1 { + a: u8, // should not be reported + b: u8, // should not be reported + c: u8, //~ ERROR field `c` is never read +} +union U2 { + a: u8, //~ ERROR field `a` is never read + b: u8, // should not be reported + c: u8, // should not be reported +} +union NoDropLike { a: u8 } //~ ERROR field `a` is never read + +union U { + a: u8, // should not be reported + b: u8, // should not be reported + c: u8, //~ ERROR field `c` is never read +} +type A = U; + +fn main() { + let u = U1 { a: 0 }; + let _a = unsafe { u.b }; + + let u = U2 { c: 0 }; + let _b = unsafe { u.b }; + + let _u = NoDropLike { a: 10 }; + let u = A { a: 0 }; + let _b = unsafe { u.b }; +} -- cgit v1.2.3