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-rw-r--r--lib/compress.js7
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/compress.js b/lib/compress.js
index c384e997..32833ebf 100644
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -384,7 +384,12 @@ merge(Compressor.prototype, {
continue loop;
}
//---
- if (ret.length == 1 && in_lambda && ret[0] instanceof AST_SimpleStatement
+ // XXX: what was the intention of this case?
+ // if sequences is not enabled, this can lead to an endless loop (issue #866).
+ // however, with sequences on this helps producing slightly better output for
+ // the example code.
+ if (compressor.option("sequences")
+ && ret.length == 1 && in_lambda && ret[0] instanceof AST_SimpleStatement
&& (!stat.alternative || stat.alternative instanceof AST_SimpleStatement)) {
CHANGED = true;
ret.push(make_node(AST_Return, ret[0], {