interpret: copy_provenance: avoid large intermediate buffer for large repeat counts

1 files changed, 2 insertions, 2 deletions

diff --git a/compiler/rustc_const_eval/src/interpret/memory.rs b/compiler/rustc_const_eval/src/interpret/memory.rs
index 6ec85648d6d..43bcd34eb36 100644
--- a/compiler/rustc_const_eval/src/interpret/memory.rs
+++ b/compiler/rustc_const_eval/src/interpret/memory.rs
@@ -1503,7 +1503,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> {
         // This will also error if copying partial provenance is not supported.
         let provenance = src_alloc
             .provenance()
-            .prepare_copy(src_range, dest_offset, num_copies, self)
+            .prepare_copy(src_range, self)
             .map_err(|e| e.to_interp_error(src_alloc_id))?;
         // Prepare a copy of the initialization mask.
         let init = src_alloc.init_mask().prepare_copy(src_range);
@@ -1589,7 +1589,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> {
             num_copies,
         );
         // copy the provenance to the destination
-        dest_alloc.provenance_apply_copy(provenance);
+        dest_alloc.provenance_apply_copy(provenance, alloc_range(dest_offset, size), num_copies);
 
         interp_ok(())
     }