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-rw-r--r--compiler/rustc_mir_transform/src/large_enums.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_mir_transform/src/large_enums.rs b/compiler/rustc_mir_transform/src/large_enums.rs
index f02ba71ddc6..f61cf236f77 100644
--- a/compiler/rustc_mir_transform/src/large_enums.rs
+++ b/compiler/rustc_mir_transform/src/large_enums.rs
@@ -23,7 +23,7 @@ use rustc_target::abi::{HasDataLayout, Size, TagEncoding, Variants};
 /// In summary, what this does is at runtime determine which enum variant is active,
 /// and instead of copying all the bytes of the largest possible variant,
 /// copy only the bytes for the currently active variant.
-pub struct EnumSizeOpt {
+pub(super) struct EnumSizeOpt {
     pub(crate) discrepancy: u64,
 }