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| author | Alex Lam S.L <alexlamsl@gmail.com> | 2019-12-04 20:24:55 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-12-04 20:24:55 +0800 |
| commit | d68ddc31f94074e09c661cb79ea43cef9adb44e6 (patch) | |
| tree | 5b46e937fe694f31e7c8acc5e5d395eb230544d9 /lib | |
| parent | 500e31e03b69d3c6fa219a74f9131c2abc9c9730 (diff) | |
| download | tracifyjs-d68ddc31f94074e09c661cb79ea43cef9adb44e6.tar.gz tracifyjs-d68ddc31f94074e09c661cb79ea43cef9adb44e6.zip | |
fix corner case in `reduce_vars` (#3623)
fixes #3622
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/compress.js | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/compress.js b/lib/compress.js index e18fd575..4442bbb5 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -701,8 +701,11 @@ merge(Compressor.prototype, { node.argnames.forEach(function(arg, i) { var d = arg.definition(); if (d.fixed === undefined && (!node.uses_arguments || tw.has_directive("use strict"))) { + var value = iife.args[i]; d.fixed = function() { - return iife.args[i] || make_node(AST_Undefined, iife); + var j = node.argnames.indexOf(arg); + if (j < 0) return value; + return iife.args[j] || make_node(AST_Undefined, iife); }; tw.loop_ids[d.id] = tw.in_loop; mark(tw, d, true); |