1 files changed, 6 insertions, 1 deletions
diff --git a/lib/compress.js b/lib/compress.js
index 4166909f..96ed24a5 100644
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -334,6 +334,11 @@ merge(Compressor.prototype, {
                 if (node instanceof AST_SymbolRef) {
                     var d = node.definition();
                     d.references.push(node);
+                    if (d.references.length == 1
+                        && !d.fixed
+                        && d.orig[0] instanceof AST_SymbolDefun) {
+                        loop_ids[d.id] = in_loop;
+                    }
                     var value;
                     if (d.fixed === undefined || !safe_to_read(d) || d.single_use == "m") {
                         d.fixed = false;
@@ -402,9 +407,9 @@ merge(Compressor.prototype, {
                         d.fixed = false;
                     } else {
                         d.fixed = node;
+                        d.single_use = ref_once(d);
                         loop_ids[d.id] = in_loop;
                         mark(d, true);
-                        d.single_use = ref_once(d);
                     }
                     var save_ids = safe_ids;
                     safe_ids = Object.create(null);