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authorAlex Lam S.L <alexlamsl@gmail.com>2017-11-07 02:37:23 +0800
committerGitHub <noreply@github.com>2017-11-07 02:37:23 +0800
commitbbedbf4ea03580c5b7aa39f32b92fdda9216c5b4 (patch)
tree8d2313be98b975b0b96ca36be869c172c3303599 /lib
parent2cfb5aa7dadd744bf7fbe16756696fc595f134a2 (diff)
downloadtracifyjs-bbedbf4ea03580c5b7aa39f32b92fdda9216c5b4.tar.gz
tracifyjs-bbedbf4ea03580c5b7aa39f32b92fdda9216c5b4.zip
handle circular `function` reference gracefully (#2446)
fixes #2442
Diffstat (limited to 'lib')
-rw-r--r--lib/compress.js15
1 files changed, 13 insertions, 2 deletions
diff --git a/lib/compress.js b/lib/compress.js
index c1232420..274ab604 100644
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -4242,8 +4242,19 @@ merge(Compressor.prototype, {
d.fixed = fixed = make_node(AST_Function, fixed, fixed);
}
if (fixed && d.single_use) {
- var value = fixed.optimize(compressor);
- return value === fixed ? fixed.clone(true) : value;
+ var recurse;
+ if (fixed instanceof AST_Function) {
+ for (var i = 0; recurse = compressor.parent(i); i++) {
+ if (recurse instanceof AST_Lambda) {
+ var name = recurse.name;
+ if (name && name.definition() === d) break;
+ }
+ }
+ }
+ if (!recurse) {
+ var value = fixed.optimize(compressor);
+ return value === fixed ? fixed.clone(true) : value;
+ }
}
if (fixed && d.should_replace === undefined) {
var init;