fix corner case in hoist_vars (#4894)

fixes #4893
2021-05-02 00:28:31 +01:00
parent 6ab26eef6c
commit fb03561799
4 changed files with 87 additions and 8 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -1793,7 +1793,7 @@ merge(Compressor.prototype, {
                        return make_node(AST_Assign, candidate, {
                            operator: "=",
                            left: make_node(AST_SymbolRef, candidate.name, candidate.name),
-                            right: candidate.value
+                            right: candidate.value,
                        });
                    }
                    var assign = candidate;
@@ -8433,6 +8433,7 @@ merge(Compressor.prototype, {
            if (value) {
                if (value instanceof AST_Sequence) value = value.clone();
                var name = make_node(AST_SymbolRef, defn.name, defn.name);
+                name.fixed = value;
                a.push(make_node(AST_Assign, defn, {
                    operator: "=",
                    left: name,