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improve class compatibility in side_effects (#5279)

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This commit is contained in:
Alex Lam S.L
2022-01-09 13:15:42 +00:00
committed by GitHub
parent f473b4db38
commit e9d9d5a9d2
3 changed files with 265 additions and 22 deletions
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12
test/ufuzz/index.js
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@@ -2501,7 +2501,7 @@ for (var round = 1; round <= num_iterations; round++) {
}
}
// ignore declaration order of global variables
if (!ok && !toplevel) {
if (!ok && !toplevel && uglify_result.name != "SyntaxError" && original_result.name != "SyntaxError") {
ok = sandbox.same_stdout(run_code(sort_globals(original_code)), run_code(sort_globals(uglify_code)));
}
// ignore numerical imprecision caused by `unsafe_math`
@@ -2519,14 +2519,8 @@ for (var round = 1; round <= num_iterations; round++) {
// ignore difference in error message caused by Temporal Dead Zone
if (!ok && errored && uglify_result.name == "ReferenceError" && original_result.name == "ReferenceError") ok = true;
// ignore difference due to implicit strict-mode in `class`
if (!ok && /\bclass\b/.test(original_code)) {
var original_strict = run_code('"use strict";\n' + original_code, toplevel);
var uglify_strict = run_code('"use strict";\n' + uglify_code, toplevel);
if (typeof original_strict != "string") {
ok = typeof uglify_strict != "string";
} else {
ok = sandbox.same_stdout(original_strict, uglify_strict);
}
if (!ok && uglify_result.name == "SyntaxError" && /\bclass\b/.test(original_code)) {
ok = typeof run_code('"use strict";\n' + original_code, toplevel) != "string";
}
// ignore difference in error message caused by `import` symbol redeclaration
if (!ok && errored && /\bimport\b/.test(original_code)) {