fix corner case in collapse_vars (#3333)

fixes #3247 fixes #3305 fixes #3314 fixes #3327
2019-03-13 23:48:52 +08:00
parent b052f62710
commit d074aa6e27
2 changed files with 115 additions and 1 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -1631,7 +1631,7 @@ merge(Compressor.prototype, {
            function symbol_in_lvalues(sym, parent) {
                var lvalue = lvalues[sym.name];
                if (!lvalue) return;
-                if (lvalue !== lhs) return !(parent instanceof AST_Call);
+                if (lvalue !== lhs) return !(parent instanceof AST_Call && parent.expression === sym);
                scan_rhs = false;
            }