JoBoEVD/UglifyJS
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix corner cases in if_return (#5590)

Browse Source 
fixes #5589
fixes #5591
fixes #5592
This commit is contained in:
Alex Lam S.L
2022-07-30 19:45:52 +01:00
committed by GitHub
parent 6667440aaf
commit e39f33e41b
4 changed files with 357 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
lib/compress.js
View File

@@ -3664,17 +3664,19 @@ Compressor.prototype.compress = function(node) {
var value = ab.value;
if (value && !is_undefined(value.tail_node())) return false;
if (!(self instanceof AST_SwitchBranch)) return true;
if (jump instanceof AST_Break) {
merge_jump = 4;
} else if (jump instanceof AST_Exit && !jump.value) {
merge_jump = true;
}
if (!jump) return false;
if (jump instanceof AST_Exit && jump.value) return false;
merge_jump = 4;
return true;
}
if (!(ab instanceof AST_LoopControl)) return false;
if (jump && self instanceof AST_SwitchBranch) {
if (jump instanceof AST_Exit && jump.value) return false;
if (compressor.loopcontrol_target(jump) instanceof AST_IterationStatement) return false;
if (jump instanceof AST_Exit) {
if (!in_lambda) return false;
if (jump.value) return false;
} else if (compressor.loopcontrol_target(jump) !== parent) {
return false;
}
merge_jump = true;
}
var lct = compressor.loopcontrol_target(ab);