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improve false positive detection in ufuzz (#4626)

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This commit is contained in:
Alex Lam S.L
2021-02-08 12:17:14 +00:00
committed by GitHub
parent 353f654038
commit aedc1e7fc9
1 changed files with 8 additions and 7 deletions
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15
test/ufuzz/index.js
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@@ -2070,27 +2070,28 @@ for (var round = 1; round <= num_iterations; round++) {
original_code = createTopLevelCode();
var orig_result = [ sandbox.run_code(original_code), sandbox.run_code(original_code, true) ];
errored = typeof orig_result[0] != "string";
if (errored) {
if (orig_result.some(function(result, toplevel) {
if (typeof result == "string") return;
println();
println();
println("//=============================================================");
println("// original code");
try_beautify(original_code, false, orig_result[0], println);
println("// original code" + (toplevel ? " (toplevel)" : ""));
try_beautify(original_code, toplevel, result, println);
println();
println();
println("original result:");
println(orig_result[0]);
println(result);
println();
// ignore v8 parser bug
if (is_bug_async_arrow_rest(orig_result[0])) continue;
}
return is_bug_async_arrow_rest(result);
})) continue;
minify_options.forEach(function(options) {
var o = JSON.parse(options);
var toplevel = sandbox.has_toplevel(o);
o.validate = true;
uglify_code = UglifyJS.minify(original_code, o);
original_result = orig_result[toplevel ? 1 : 0];
errored = typeof original_result != "string";
if (!uglify_code.error) {
uglify_code = uglify_code.code;
uglify_result = sandbox.run_code(uglify_code, toplevel);