fix corner cases in assignments, reduce_vars & unused (#3950)

fixes #3949 fixes #3951
2020-06-04 21:06:43 +01:00
parent a489f8cb5e
commit 04fd3d90f8
9 changed files with 317 additions and 75 deletions
--- a/test/compress/collapse_vars.js
+++ b/test/compress/collapse_vars.js
@@ -3001,6 +3001,7 @@ issue_2298: {
    expect: {
        !function() {
            (function() {
+                0;
                try {
                    !function(b) {
                        (void 0)[1] = "foo";