drop unused extends properly (#5461)

2022-05-22 20:53:32 +01:00
parent 59edda6ca5
commit c2ca7b7659
3 changed files with 126 additions and 10 deletions
--- a/test/compress/destructured.js
+++ b/test/compress/destructured.js
@@ -3401,7 +3401,7 @@ issue_5222: {
    node_version: ">=6"
 }

-issue_5288: {
+issue_5288_1: {
    options = {
        conditionals: true,
        inline: true,
@@ -3421,7 +3421,37 @@ issue_5288: {
        }() ]));
    }
    expect: {
-        while (console ? console.log("PASS") : 0, void 0);
+        while (function() {
+            if (console)
+                console.log("PASS");
+        }(), void 0);
+    }
+    expect_stdout: "PASS"
+    node_version: ">=6"
+}
+
+issue_5288_2: {
+    options = {
+        conditionals: true,
+        inline: true,
+        keep_fargs: false,
+        passes: 2,
+        reduce_vars: true,
+        toplevel: true,
+        unused: true,
+        varify: true,
+    }
+    input: {
+        while (function([]) {}([ function f() {
+            if (console)
+                return console.log("PASS");
+            else {
+                let a = 0;
+            }
+        }() ]));
+    }
+    expect: {
+        while (console && console.log("PASS"), void 0);
    }
    expect_stdout: "PASS"
    node_version: ">=6"