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Sync to upstream/release/603 (#1097) # 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>
2023-11-10 21:10:07 +00:00
<!-- This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Luau Fuzzer Report</title>
<style>
:root, body {
padding: 0;
margin: 0;
box-sizing: border-box;
}
body {
display: flex;
flex-flow: column nowrap;
align-items: center;
font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}
.root {
width: 100%;
max-width: 1000px;
}
.mono {
font-family: monospace;
}
pre {
padding: 0.3rem;
background-color: rgba(0, 0, 0, 8%);
border-radius: 6px;
max-height: 50em;
overflow: auto;
box-sizing: border-box;
}
.metadata-root {
display: flex;
flex-flow: row wrap;
}
.metadata-item {
min-width: 10em;
margin: 0.25em;
padding: 0.25em;
border: 1px solid rgba(0, 0, 0, 20%);
border-radius: 4px;
box-sizing: border-box;
flex-grow: 1;
}
.metadata-item dt, .metadata-item dl {
margin: 0;
padding: 0;
}
article dt {
margin-bottom: 0.1em;
font-weight: bold;
box-sizing: border-box;
}
article dl {
margin-top: 0;
margin-bottom: 1.5rem;
box-sizing: border-box;
}
nav>ul {
list-style: none;
margin: 0;
padding: 0;
}
</style>
</head>
<body>
<div class="root">
<header>
<h1>Fuzzer Report</h1>
<div class="metadata-root">
<div class="metadata-item">
<dt>Crashes</dt>
<dl>{{ crashes|length }}</dl>
</div>
{% for item in meta %}
<div class="metadata-item">
<dt>{{ item.name }}</dt>
<dl>
{% if item.link %}
<a href="{{ item.link }}">{{ item.value }}</a>
{% else %}
{{ item.value }}
{% endif %}
</dl>
</div>
{% endfor %}
</div>
</header>
<nav>
<ul>
{% for crash in crashes %}
<li>
<a class="mono" href="#{{ crash.id }}">{{ crash.id }}</a>
</li>
{% endfor %}
</ul>
</nav>
{% for crash in crashes %}
<article id="{{ crash.id }}">
<h2 class="mono">{{ crash.id }}</h2>
<p><a href="{{ crash.artifact_link() }}">Download reproducer artifact</a></p>
Sync to upstream/release/605 (#1118) - Implemented [Require by String with Relative Paths](https://github.com/luau-lang/rfcs/blob/master/docs/new-require-by-string-semantics.md) RFC - Implemented [Require by String with Aliases](https://github.com/luau-lang/rfcs/blob/master/docs/require-by-string-aliases.md) RFC with support for `paths` and `alias` arrays in .luarc - Added SUBRK and DIVRK bytecode instructions to speed up constant-number and constant/number operations - Added `--vector-lib`, `--vector-ctor` and `--vector-type` options to luau-compile to support code with vectors New Solver - Correctness fixes to subtyping - Improvements to dataflow analysis Native Code Generation - Added bytecode analysis pass to predict type tags used in operations - Fixed rare cases of numerical loops being generated without an interrupt instruction - Restored optimization data propagation into the linear block - Duplicate buffer length checks are optimized away Miscellaneous - Small performance improvements to new non-strict mode - Introduced more scripts for fuzzing Luau and processing the results, including fuzzer build support for CMake Co-authored-by: Alexander McCord <amccord@roblox.com> Co-authored-by: Andy Friesen <afriesen@roblox.com> Co-authored-by: Aviral Goel <agoel@roblox.com> Co-authored-by: David Cope <dcope@roblox.com> Co-authored-by: Lily Brown <lbrown@roblox.com> Co-authored-by: Vighnesh Vijay <vvijay@roblox.com> Co-authored-by: Vyacheslav Egorov <vegorov@roblox.com> --------- 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: Aviral Goel <agoel@roblox.com> Co-authored-by: David Cope <dcope@roblox.com> Co-authored-by: Lily Brown <lbrown@roblox.com> Co-authored-by: Vyacheslav Egorov <vegorov@roblox.com>
2023-12-02 07:46:57 +00:00
{% if crash.trace() %}
Sync to upstream/release/603 (#1097) # 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>
2023-11-10 21:10:07 +00:00
<dt>Trace</dt>
<dl>
<pre>{{ crash.trace() }}</pre>
</dl>
Sync to upstream/release/605 (#1118) - Implemented [Require by String with Relative Paths](https://github.com/luau-lang/rfcs/blob/master/docs/new-require-by-string-semantics.md) RFC - Implemented [Require by String with Aliases](https://github.com/luau-lang/rfcs/blob/master/docs/require-by-string-aliases.md) RFC with support for `paths` and `alias` arrays in .luarc - Added SUBRK and DIVRK bytecode instructions to speed up constant-number and constant/number operations - Added `--vector-lib`, `--vector-ctor` and `--vector-type` options to luau-compile to support code with vectors New Solver - Correctness fixes to subtyping - Improvements to dataflow analysis Native Code Generation - Added bytecode analysis pass to predict type tags used in operations - Fixed rare cases of numerical loops being generated without an interrupt instruction - Restored optimization data propagation into the linear block - Duplicate buffer length checks are optimized away Miscellaneous - Small performance improvements to new non-strict mode - Introduced more scripts for fuzzing Luau and processing the results, including fuzzer build support for CMake Co-authored-by: Alexander McCord <amccord@roblox.com> Co-authored-by: Andy Friesen <afriesen@roblox.com> Co-authored-by: Aviral Goel <agoel@roblox.com> Co-authored-by: David Cope <dcope@roblox.com> Co-authored-by: Lily Brown <lbrown@roblox.com> Co-authored-by: Vighnesh Vijay <vvijay@roblox.com> Co-authored-by: Vyacheslav Egorov <vegorov@roblox.com> --------- 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: Aviral Goel <agoel@roblox.com> Co-authored-by: David Cope <dcope@roblox.com> Co-authored-by: Lily Brown <lbrown@roblox.com> Co-authored-by: Vyacheslav Egorov <vegorov@roblox.com>
2023-12-02 07:46:57 +00:00
{% endif %}
Sync to upstream/release/603 (#1097) # 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>
2023-11-10 21:10:07 +00:00
<dt>Module set</dt>
<dl>
<pre>{{ crash.modules() }}</pre>
</dl>
<dl></dl>
</article>
{% endfor %}
</div>
</body>
</html>
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