summaryrefslogtreecommitdiffstats
path: root/compiler/rustc_codegen_cranelift/src/unsize.rs
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:03:36 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:03:36 +0000
commit17d40c6057c88f4c432b0d7bac88e1b84cb7e67f (patch)
tree3f66c4a5918660bb8a758ab6cda5ff8ee4f6cdcd /compiler/rustc_codegen_cranelift/src/unsize.rs
parentAdding upstream version 1.64.0+dfsg1. (diff)
downloadrustc-f7f0cc2a5d72e2c61c1f6900e70eec992bea4273.tar.xz
rustc-f7f0cc2a5d72e2c61c1f6900e70eec992bea4273.zip
Adding upstream version 1.65.0+dfsg1.upstream/1.65.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'compiler/rustc_codegen_cranelift/src/unsize.rs')
-rw-r--r--compiler/rustc_codegen_cranelift/src/unsize.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_cranelift/src/unsize.rs b/compiler/rustc_codegen_cranelift/src/unsize.rs
index 052ca0a08..dd9d891dd 100644
--- a/compiler/rustc_codegen_cranelift/src/unsize.rs
+++ b/compiler/rustc_codegen_cranelift/src/unsize.rs
@@ -29,6 +29,7 @@ pub(crate) fn unsized_info<'tcx>(
let old_info =
old_info.expect("unsized_info: missing old info for trait upcasting coercion");
if data_a.principal_def_id() == data_b.principal_def_id() {
+ // A NOP cast that doesn't actually change anything, should be allowed even with invalid vtables.
return old_info;
}