Merge pull request #1099 from dtolnay/vecarray

Allow Rust vector of array of trivially relocatable type
dtolnay · Sep 19, 2022 · f2aecb0 · f2aecb0
2 parents 8307582 + 072fd4f
commit f2aecb0
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/gen/src/write.rs b/gen/src/write.rs
@@ -472,10 +472,10 @@ fn check_trivial_extern_type(out: &mut OutFile, alias: &TypeAlias, reasons: &[Tr
     writeln!(out, "static_assert(");
     if reasons
         .iter()
-        .all(|r| matches!(r, TrivialReason::StructField(_)))
+        .all(|r| matches!(r, TrivialReason::StructField(_) | TrivialReason::VecElement))
     {
-        // If the type is only used as a struct field and not as by-value
-        // function argument or any other use, then C array of trivially
+        // If the type is only used as a struct field or Vec element, not as
+        // by-value function argument or return value, then C array of trivially
         // relocatable type is also permissible.
         //
         //     --- means something sane: