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fix corner case in collapse_vars (#5748)

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fixes #5747
This commit is contained in:
Alex Lam S.L
2022-11-30 21:59:22 +02:00
committed by GitHub
parent 2352909c3d
commit 548f0938e8
3 changed files with 70 additions and 8 deletions
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8
test/reduce.js
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@@ -539,7 +539,9 @@ module.exports = function reduce_test(testcase, minify_options, reduce_options)
var before_iterations, diff_error_message, passes = 3, testcase_ast;
for (var pass = 1; pass <= passes; pass++) {
if (before_iterations !== testcase) {
testcase_ast = U.parse(testcase);
testcase_ast = U.parse(testcase, {
module: minify_options.module,
});
if (diff_error_message === testcase) {
// only difference detected is in error message, so expose that and try again
testcase_ast.transform(new U.TreeTransformer(function(node, descend) {
@@ -561,7 +563,9 @@ module.exports = function reduce_test(testcase, minify_options, reduce_options)
testcase = code;
differs = diff;
} else {
testcase_ast = U.parse(testcase);
testcase_ast = U.parse(testcase, {
module: minify_options.module,
});
}
}
diff_error_message = null;