fix corner case in booleans (#3659)

fixes #3658
2019-12-31 09:57:35 +08:00
parent 4dbdac9c31
commit 94785e8e14
3 changed files with 129 additions and 35 deletions
--- a/lib/ast.js
+++ b/lib/ast.js
@@ -969,6 +969,7 @@ TreeWalker.prototype = {
                || p instanceof AST_DWLoop && p.condition === self
                || p instanceof AST_For && p.condition === self
                || p instanceof AST_If && p.condition === self
+                || p instanceof AST_Return && p.in_bool
                || p instanceof AST_UnaryPrefix && p.operator == "!" && p.expression === self) {
                return true;
            }