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fix corner case in collapse_vars (#4199)

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fixes #4197
This commit is contained in:
Alex Lam S.L
2020-10-12 07:13:17 +01:00
committed by GitHub
parent 9b7a13c8c7
commit b512726cf3
3 changed files with 36 additions and 3 deletions
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test/ufuzz/index.js
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@@ -1348,7 +1348,7 @@ for (var round = 1; round <= num_iterations; round++) {
ok = sandbox.same_stdout(sandbox.run_code(sort_globals(original_code)), sandbox.run_code(sort_globals(uglify_code)));
}
// ignore numerical imprecision caused by `unsafe_math`
if (!ok && typeof uglify_result == "string" && o.compress && o.compress.unsafe_math) {
if (!ok && o.compress && o.compress.unsafe_math && typeof original_result == "string" && typeof uglify_result == "string") {
ok = fuzzy_match(original_result, uglify_result);
if (!ok) {
var fuzzy_result = sandbox.run_code(original_code.replace(/( - 0\.1){3}/g, " - 0.3"), toplevel);