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-rw-r--r--compiler/rustc_codegen_ssa/src/lib.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_ssa/src/lib.rs b/compiler/rustc_codegen_ssa/src/lib.rs
index 9b60f0844a0..0d88df63280 100644
--- a/compiler/rustc_codegen_ssa/src/lib.rs
+++ b/compiler/rustc_codegen_ssa/src/lib.rs
@@ -110,6 +110,7 @@ pub enum ModuleKind {
 }
 
 bitflags::bitflags! {
+    #[derive(Debug, Clone, Copy, PartialEq, Eq)]
     pub struct MemFlags: u8 {
         const VOLATILE = 1 << 0;
         const NONTEMPORAL = 1 << 1;