fix corner case in if_return (#5620)

fixes #5619
2022-08-17 02:10:33 +01:00
parent 8602d1ba17
commit 887e086890
2 changed files with 55 additions and 1 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -3620,7 +3620,7 @@ Compressor.prototype.compress = function(node) {
                    continue;
                }

-                if (jump && jump === next) eliminate_returns(stat);
+                if (declare_only && jump && jump === next) eliminate_returns(stat);
            }
            return changed;

@@ -3787,6 +3787,7 @@ Compressor.prototype.compress = function(node) {
                if (stat instanceof AST_Exit) {
                    var mode = match_return(stat, true);
                    if (mode) {
+                        changed = true;
                        var value = trim_return(stat.value, mode);
                        if (value) return make_node(AST_SimpleStatement, value, { body: value });
                        return in_block ? null : make_node(AST_EmptyStatement, stat);