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-rw-r--r--crates/hir-ty/src/layout/target.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/crates/hir-ty/src/layout/target.rs b/crates/hir-ty/src/layout/target.rs
index 48b1a68d51b..b76274bb854 100644
--- a/crates/hir-ty/src/layout/target.rs
+++ b/crates/hir-ty/src/layout/target.rs
@@ -24,6 +24,8 @@ pub fn current_target_data_layout_query(db: &dyn HirDatabase) -> Arc<TargetDataL
             },
             _ => 8,
         });
+    // FIXME: These values are incorrect for many architectures, at least for aarch64 and riscv64,
+    // use `rustc +nightly -Z unstable-options --print target-spec-json` or something similar instead.
     Arc::new(TargetDataLayout {
         endian,
         i1_align: AbiAndPrefAlign::new(Align::from_bytes(1).unwrap()),