diff options
Diffstat (limited to 'lib/compress.js')
| -rw-r--r-- | lib/compress.js | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/compress.js b/lib/compress.js index 7202219a..c8eb3487 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -1128,6 +1128,8 @@ merge(Compressor.prototype, { if (!stop_if_hit && in_conditional(node, parent)) { stop_if_hit = parent; } + // Skip transient nodes caused by single-use variable replacement + if (node.single_use && parent instanceof AST_VarDef && parent.value === node) return node; // Replace variable with assignment when found var hit_rhs; if (can_replace @@ -3737,9 +3739,7 @@ merge(Compressor.prototype, { def.value = null; head.push(def); } else { - var value = def.value - && !def.value.single_use - && def.value.drop_side_effect_free(compressor); + var value = def.value && def.value.drop_side_effect_free(compressor); if (value) { AST_Node.warn("Side effects in initialization of unused variable {name} [{file}:{line},{col}]", template(def.name)); side_effects.push(value); |