improve if_return (#2727)

2018-01-05 20:24:30 +08:00
parent 7f2a591c7e
commit b82feb9302
2 changed files with 27 additions and 2 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -1436,8 +1436,9 @@ merge(Compressor.prototype, {
                    }
                    //---
                    // if (foo()) return x; [ return ; ] ==> return foo() ? x : undefined;
-                    if (multiple_if_returns && in_lambda && value && !stat.alternative
-                        && (!next || next instanceof AST_Return)) {
+                    if (value && !stat.alternative
+                        && (!next && in_lambda && multiple_if_returns
+                            || next instanceof AST_Return)) {
                        CHANGED = true;
                        stat = stat.clone();
                        stat.alternative = next || make_node(AST_Return, stat, {