unconditional boundary pad for fn end -- fine for empty fn

Author: XrXr

zjit/src/backend/lir.rs

@@ -1918,11 +1918,10 @@ impl Assembler
         }
 
         // Make sure we don't stomp on the next function
-        if !block_ids.is_empty() {
-            push_insns_with_perf_symbol(&mut insns, "BoundaryPad", |insns| {
-                insns.push(Insn::BoundaryPad);
-            });
-        }
+        push_insns_with_perf_symbol(&mut insns, "BoundaryPad", |insns| {
+            insns.push(Insn::BoundaryPad);
+        });
+
         insns
     }