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-rw-r--r--components/layout/layout_debug.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/components/layout/layout_debug.rs b/components/layout/layout_debug.rs
index 5fc606b8705..a3a11a3d085 100644
--- a/components/layout/layout_debug.rs
+++ b/components/layout/layout_debug.rs
@@ -95,6 +95,7 @@ impl Drop for Scope {
/// Generate a unique ID. This is used for items such as Fragment
/// which are often reallocated but represent essentially the
/// same data.
+#[allow(unsafe_blocks)]
pub fn generate_unique_debug_id() -> u16 {
unsafe { DEBUG_ID_COUNTER.fetch_add(1, Ordering::SeqCst) as u16 }
}