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-rw-r--r--compiler/rustc_middle/src/mir/interpret/mod.rs11
1 files changed, 10 insertions, 1 deletions
diff --git a/compiler/rustc_middle/src/mir/interpret/mod.rs b/compiler/rustc_middle/src/mir/interpret/mod.rs
index bed99a4ff2a..9762e0f21da 100644
--- a/compiler/rustc_middle/src/mir/interpret/mod.rs
+++ b/compiler/rustc_middle/src/mir/interpret/mod.rs
@@ -386,7 +386,16 @@ impl<'tcx> GlobalAlloc<'tcx> {
                         .expect("statics should not have generic parameters");
                     let layout = tcx.layout_of(typing_env.as_query_input(ty)).unwrap();
                     assert!(layout.is_sized());
-                    (layout.size, layout.align.abi)
+
+                    // Take over-alignment from attributes into account.
+                    let align = match tcx.codegen_fn_attrs(def_id).alignment {
+                        Some(align_from_attribute) => {
+                            Ord::max(align_from_attribute, layout.align.abi)
+                        }
+                        None => layout.align.abi,
+                    };
+
+                    (layout.size, align)
                 }
             }
             GlobalAlloc::Memory(alloc) => {