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# What's changed? - Record the location of properties for table types (closes #802) - Implement stricter UTF-8 validations as per the RFC (https://github.com/luau-lang/rfcs/pull/1) - Implement `buffer` as a new type in both the old and new solvers. - Changed errors produced by some `buffer` builtins to be a bit more generic to avoid platform-dependent error messages. - Fixed a bug where `Unifier` would copy some persistent types, tripping some internal assertions. - Type checking rules on relational operators is now a little bit more lax. - Improve dead code elimination for some `if` statements with complex always-false conditions ## New type solver - Dataflow analysis now generates phi nodes on exit of branches. - Dataflow analysis avoids producing a new definition for locals or properties that are not owned by that loop. - If a function parameter has been constrained to `never`, report errors at all uses of that parameter within that function. - Switch to using the new `Luau::Set` to replace `std::unordered_set` to alleviate some poor allocation characteristics which was negatively affecting overall performance. - Subtyping can now report many failing reasons instead of just the first one that we happened to find during the test. - Subtyping now also report reasons for type pack mismatches. - When visiting `if` statements or expressions, the resulting context are the common terms in both branches. ## Native codegen - Implement support for `buffer` builtins to its IR for x64 and A64. - Optimized `table.insert` by not inserting a table barrier if it is fastcalled with a constant. ## Internal Contributors Co-authored-by: Aaron Weiss <aaronweiss@roblox.com> Co-authored-by: Alexander McCord <amccord@roblox.com> Co-authored-by: Andy Friesen <afriesen@roblox.com> Co-authored-by: Arseny Kapoulkine <arseny@roblox.com> Co-authored-by: Aviral Goel <agoel@roblox.com> Co-authored-by: Lily Brown <lbrown@roblox.com> Co-authored-by: Vyacheslav Egorov <vegorov@roblox.com>
130 lines
3.4 KiB
HTML
130 lines
3.4 KiB
HTML
<!-- This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details -->
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Luau Fuzzer Report</title>
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<style>
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:root, body {
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padding: 0;
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margin: 0;
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box-sizing: border-box;
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}
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body {
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display: flex;
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flex-flow: column nowrap;
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align-items: center;
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font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
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}
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.root {
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width: 100%;
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max-width: 1000px;
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}
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.mono {
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font-family: monospace;
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}
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pre {
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padding: 0.3rem;
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background-color: rgba(0, 0, 0, 8%);
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border-radius: 6px;
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max-height: 50em;
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overflow: auto;
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box-sizing: border-box;
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}
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.metadata-root {
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display: flex;
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flex-flow: row wrap;
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}
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.metadata-item {
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min-width: 10em;
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margin: 0.25em;
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padding: 0.25em;
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border: 1px solid rgba(0, 0, 0, 20%);
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border-radius: 4px;
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box-sizing: border-box;
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flex-grow: 1;
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}
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.metadata-item dt, .metadata-item dl {
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margin: 0;
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padding: 0;
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}
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article dt {
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margin-bottom: 0.1em;
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font-weight: bold;
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box-sizing: border-box;
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}
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article dl {
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margin-top: 0;
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margin-bottom: 1.5rem;
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box-sizing: border-box;
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}
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nav>ul {
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list-style: none;
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margin: 0;
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padding: 0;
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}
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</style>
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</head>
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<body>
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<div class="root">
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<header>
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<h1>Fuzzer Report</h1>
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<div class="metadata-root">
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<div class="metadata-item">
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<dt>Crashes</dt>
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<dl>{{ crashes|length }}</dl>
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</div>
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{% for item in meta %}
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<div class="metadata-item">
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<dt>{{ item.name }}</dt>
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<dl>
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{% if item.link %}
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<a href="{{ item.link }}">{{ item.value }}</a>
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{% else %}
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{{ item.value }}
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{% endif %}
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</dl>
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</div>
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{% endfor %}
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</div>
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</header>
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<nav>
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<ul>
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{% for crash in crashes %}
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<li>
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<a class="mono" href="#{{ crash.id }}">{{ crash.id }}</a>
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</li>
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{% endfor %}
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</ul>
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</nav>
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{% for crash in crashes %}
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<article id="{{ crash.id }}">
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<h2 class="mono">{{ crash.id }}</h2>
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<p><a href="{{ crash.artifact_link() }}">Download reproducer artifact</a></p>
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<dt>Trace</dt>
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<dl>
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<pre>{{ crash.trace() }}</pre>
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</dl>
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<dt>Module set</dt>
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<dl>
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<pre>{{ crash.modules() }}</pre>
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</dl>
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<dl></dl>
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</article>
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{% endfor %}
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</div>
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</body>
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</html>
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