consolidate single-use function reduction (#2427)

fixes #2423
2017-11-05 04:27:01 +08:00
parent fe5a68f9d5
commit a8aa28a7a6
2 changed files with 91 additions and 11 deletions
--- a/test/compress/reduce_vars.js
+++ b/test/compress/reduce_vars.js
@@ -3379,3 +3379,75 @@ issue_2420_2: {
        "false false true",
    ]
 }
+
+issue_2423_1: {
+    options = {
+        reduce_vars: true,
+        toplevel: true,
+        unused: true,
+    }
+    input: {
+        function c() { return 1; }
+        function p() { console.log(c()); }
+        p();
+        p();
+    }
+    expect: {
+        function p() { console.log(function() { return 1; }()); }
+        p();
+        p();
+    }
+}
+
+issue_2423_2: {
+    options = {
+        inline: true,
+        reduce_vars: true,
+        toplevel: true,
+        unused: true,
+    }
+    input: {
+        function c() { return 1; }
+        function p() { console.log(c()); }
+        p();
+        p();
+    }
+    expect: {
+        function p() { console.log(1); }
+        p();
+        p();
+    }
+}
+
+issue_2423_3: {
+    options = {
+        reduce_vars: true,
+        toplevel: true,
+        unused: true,
+    }
+    input: {
+        function c() { return 1; }
+        function p() { console.log(c()); }
+        p();
+    }
+    expect: {
+        (function() { console.log(function() { return 1; }()); })();
+    }
+}
+
+issue_2423_4: {
+    options = {
+        inline: true,
+        reduce_vars: true,
+        toplevel: true,
+        unused: true,
+    }
+    input: {
+        function c() { return 1; }
+        function p() { console.log(c()); }
+        p();
+    }
+    expect: {
+        void console.log(1);
+    }
+}