fix corner cases in aliasing of global variables (#4039)

fixes #4038
2020-08-06 09:39:50 +01:00
parent 30ef20a208
commit 9b05494ebc
4 changed files with 115 additions and 16 deletions
--- a/test/compress/reduce_vars.js
+++ b/test/compress/reduce_vars.js
@@ -7402,7 +7402,27 @@ issue_4030: {
    }
    expect: {
        A = "PASS";
-        console.log("PASS");
+        console.log(A);
+    }
+    expect_stdout: "PASS"
+}
+
+global_assign: {
+    options = {
+        evaluate: true,
+        reduce_vars: true,
+        toplevel: true,
+        unused: true,
+    }
+    input: {
+        A = "FAIL";
+        this.A = "PASS";
+        console.log(A);
+    }
+    expect: {
+        A = "FAIL";
+        this.A = "PASS";
+        console.log(A);
    }
    expect_stdout: "PASS"
 }