fix corner cases in collapse_vars (#4978)

fixes #4977
2021-05-29 01:57:24 +01:00
parent d40631fd44
commit 7fa1dea9d0
7 changed files with 179 additions and 18 deletions
--- a/test/compress/arrows.js
+++ b/test/compress/arrows.js
@@ -421,6 +421,7 @@ collapse_value: {
        arrows: true,
        collapse_vars: true,
        keep_fargs: false,
+        unsafe: true,
        unused: true,
    }
    input: {