Merge branch 'master' into harmony-v3.3.6

2018-01-13 13:53:31 +08:00
parent 1eb15f46f1 460218a3f8
commit 0f2be1456c
13 changed files with 636 additions and 164 deletions
--- a/test/compress/dead-code.js
+++ b/test/compress/dead-code.js
@@ -1128,3 +1128,32 @@ issue_2701: {
    }
    expect_stdout: "function"
 }
+
+issue_2749: {
+    options = {
+        dead_code: true,
+        inline: true,
+        toplevel: true,
+        unused: true,
+    }
+    input: {
+        var a = 2, c = "PASS";
+        while (a--)
+            (function() {
+                return b ? c = "FAIL" : b = 1;
+                try {
+                } catch (b) {
+                    var b;
+                }
+            })();
+        console.log(c);
+    }
+    expect: {
+        var a = 2, c = "PASS";
+        while (a--)
+            b = void 0, b ? c = "FAIL" : b = 1;
+        var b;
+        console.log(c);
+    }
+    expect_stdout: "PASS"
+}