extend comments around PassMode::Direct

2023-09-06 11:12:23 +02:00
parent e66913f8fe
commit c981026195
3 changed files with 46 additions and 2 deletions
--- a/compiler/rustc_ty_utils/src/abi.rs
+++ b/compiler/rustc_ty_utils/src/abi.rs
@@ -520,6 +520,8 @@ fn fn_abi_adjust_for_abi<'tcx>(

                _ => return,
            }
+            // `Aggregate` ABI must be adjusted to ensure that ABI-compatible Rust types are passed
+            // the same way.

            let size = arg.layout.size;
            if arg.layout.is_unsized() || size > Pointer(AddressSpace::DATA).size(cx) {