collapse_vars: fix bug in repeated var defs of same name

1 files changed, 22 insertions, 6 deletions

diff --git a/test/compress/collapse_vars.js b/test/compress/collapse_vars.js
index f67b3f47..39fee597 100644
--- a/test/compress/collapse_vars.js
+++ b/test/compress/collapse_vars.js
@@ -685,19 +685,35 @@ collapse_vars_repeated: {
             var dummy = 3, a = 5, unused = 2, a = 1, a = 3;
             return -a;
         }
-        function f2() {
-            var a = 3, a = a + 2;
+        function f2(x) {
+            var a = 3, a = x;
             return a;
         }
+        (function(x){
+             var a = "GOOD" + x, e = "BAD", k = "!", e = a;
+             console.log(e + k);
+        })("!"),
+
+        (function(x){
+            var a = "GOOD" + x, e = "BAD" + x, k = "!", e = a;
+            console.log(e + k);
+        })("!");
     }
     expect: {
         function f1() {
             return -3
         }
-        function f2() {
-            var a = 3, a = a + 2;
-            return a
-        }
+        function f2(x) {
+            return x
+        }
+        (function(x){
+             var a = "GOOD" + x, e = "BAD", e = a;
+             console.log(e + "!");
+        })("!"),
+        (function(x){
+            var a = "GOOD" + x, e = "BAD" + x, e = a;
+            console.log(e + "!");
+        })("!");
     }
 }