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-rw-r--r--compiler/rustc_target/src/callconv/mod.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_target/src/callconv/mod.rs b/compiler/rustc_target/src/callconv/mod.rs
index 7ecc46cc69d..ae366e29e32 100644
--- a/compiler/rustc_target/src/callconv/mod.rs
+++ b/compiler/rustc_target/src/callconv/mod.rs
@@ -144,6 +144,7 @@ pub struct ArgAttributes {
     /// (corresponding to LLVM's dereferenceable_or_null attributes, i.e., it is okay for this to be
     /// set on a null pointer, but all non-null pointers must be dereferenceable).
     pub pointee_size: Size,
+    /// The minimum alignment of the pointee, if any.
     pub pointee_align: Option<Align>,
 }