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authorMatthias Krüger <matthias.krueger@famsik.de>2024-01-19 08:15:05 +0100
committerGitHub <noreply@github.com>2024-01-19 08:15:05 +0100
commit332f8f73ea581fd5cb2ee94c1b9ae31dd61d4d67 (patch)
tree56a33d8bd48cb41e8ee6071ffa81c3b030da48ed /src
parent987445cd42f1235c7599db9752f693459de31330 (diff)
parentaeeaed9ce137d489f7157202548d2ce3d65c60ae (diff)
downloadrust-332f8f73ea581fd5cb2ee94c1b9ae31dd61d4d67.tar.gz
rust-332f8f73ea581fd5cb2ee94c1b9ae31dd61d4d67.zip
Rollup merge of #120107 - shepmaster:dead-code-repr-transparent, r=Nilstrieb
dead_code treats #[repr(transparent)] the same as #[repr(C)]

In #92972 we enabled linting on unused fields in tuple structs. In #118297 that lint was enabled by default. That exposed issues like #119659, where the fields of a struct marked `#[repr(transparent)]` were reported by the `dead_code` lint. The language team [decided](https://github.com/rust-lang/rust/issues/119659#issuecomment-1885172045) that the lint should treat `repr(transparent)` the same as `#[repr(C)]`.

Fixes #119659
Diffstat (limited to 'src')
-rw-r--r--src/tools/miri/tests/fail/issue-miri-1112.rs2
-rw-r--r--src/tools/miri/tests/fail/unaligned_pointers/drop_in_place.rs2
2 files changed, 2 insertions, 2 deletions
diff --git a/src/tools/miri/tests/fail/issue-miri-1112.rs b/src/tools/miri/tests/fail/issue-miri-1112.rs
index 9542673b0d9..387253a3f98 100644
--- a/src/tools/miri/tests/fail/issue-miri-1112.rs
+++ b/src/tools/miri/tests/fail/issue-miri-1112.rs
@@ -1,7 +1,7 @@
 trait Empty {}
 
 #[repr(transparent)]
-pub struct FunnyPointer(#[allow(dead_code)] dyn Empty);
+pub struct FunnyPointer(dyn Empty);
 
 #[repr(C)]
 pub struct Meta {
diff --git a/src/tools/miri/tests/fail/unaligned_pointers/drop_in_place.rs b/src/tools/miri/tests/fail/unaligned_pointers/drop_in_place.rs
index 2283231eb01..d71d5954a40 100644
--- a/src/tools/miri/tests/fail/unaligned_pointers/drop_in_place.rs
+++ b/src/tools/miri/tests/fail/unaligned_pointers/drop_in_place.rs
@@ -1,7 +1,7 @@
 //@compile-flags: -Cdebug-assertions=no
 
 #[repr(transparent)]
-struct HasDrop(#[allow(dead_code)] u8);
+struct HasDrop(u8);
 
 impl Drop for HasDrop {
     fn drop(&mut self) {}