handle case correctly under reduce_vars (#2993)

fixes #2992
2018-03-11 15:54:43 +08:00
parent fc6ebd04a5
commit b9f72a4a81
2 changed files with 45 additions and 6 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -517,6 +517,15 @@ merge(Compressor.prototype, {
            pop(tw);
            return true;
        });
+        def(AST_Case, function(tw) {
+            push(tw);
+            this.expression.walk(tw);
+            pop(tw);
+            push(tw);
+            walk_body(this, tw);
+            pop(tw);
+            return true;
+        });
        def(AST_Conditional, function(tw) {
            this.condition.walk(tw);
            push(tw);
@@ -527,6 +536,12 @@ merge(Compressor.prototype, {
            pop(tw);
            return true;
        });
+        def(AST_Default, function(tw, descend) {
+            push(tw);
+            descend();
+            pop(tw);
+            return true;
+        });
        def(AST_Defun, function(tw, descend, compressor) {
            this.inlined = false;
            var save_ids = tw.safe_ids;
@@ -624,12 +639,6 @@ merge(Compressor.prototype, {
            pop(tw);
            return true;
        });
-        def(AST_SwitchBranch, function(tw, descend) {
-            push(tw);
-            descend();
-            pop(tw);
-            return true;
-        });
        def(AST_SymbolCatch, function() {
            this.definition().fixed = false;
        });