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Author: nnethercote

compiler/rustc_mir_transform/src/large_enums.rs

@@ -244,6 +244,8 @@ impl EnumSizeOpt {
 let ptr_sized_int = data_layout.ptr_sized_integer();
 let target_bytes = ptr_sized_int.size().bytes()asusize;
 letmut data = vec![0; target_bytes * num_discrs];
+
+// We use a macro because `$bytes` can be u32 or u64.
 macro_rules! encode_store {
 ($curr_idx: expr, $endian: expr, $bytes: expr) => {
 let bytes = match $endian {