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Stdlib: thin AOT stream_get_meta_data php://memory|temp keys (#27659) #27833

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Merged
PurHur merged 2 commits into from
Aug 5, 2026
Merged

Stdlib: thin AOT stream_get_meta_data php://memory|temp keys (#27659) #27833

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69ac13d
Stdlib: thin AOT stream_get_meta_data from StreamGlobals paths (#27659)
PurHur Aug 5, 2026
73532e9
Docs: sync bootstrap-inventory after JitStreamMetaThinAot (#27659)
PurHur Aug 5, 2026
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66 changes: 36 additions & 30 deletions docs/bootstrap-inventory.md
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Original file line number Diff line number Diff line change
Expand Up @@ -8,11 +8,11 @@ Regenerate: `php script/bootstrap-inventory.php`

| Metric | Count |
|--------|------:|
| PHP files on vm.php path | 7021 |
| Phase A inventory files (M2 ratio SSOT) | 7021 |
| PHP files on vm.php path | 7022 |
| Phase A inventory files (M2 ratio SSOT) | 7022 |
| Phase A ratio-deferred paths | 0 |
| Source constructs flagged (blockers) | 0 |
| Source constructs flagged (warnings) | 22575 |
| Source constructs flagged (warnings) | 22576 |

## Compiler CFG gaps (`lib/Compiler.php`)

Expand Down Expand Up @@ -2982,6 +2982,7 @@ Rank live CFG gaps across inventory files: `php script/bootstrap-inventory-triag
| `ext/standard/JitStreamLibcHandleKernel.php` | 0 | 1 |
| `ext/standard/JitStreamLifecycleKernel.php` | 0 | 1 |
| `ext/standard/JitStreamMetaKernel.php` | 0 | 1 |
| `ext/standard/JitStreamMetaThinAot.php` | 0 | 1 |
| `ext/standard/JitStreamModeKernel.php` | 0 | 1 |
| `ext/standard/JitStreamNotificationCallback.php` | 0 | 2 |
| `ext/standard/JitStreamPath.php` | 0 | 1 |
Expand Down Expand Up @@ -29778,7 +29779,12 @@ Rank live CFG gaps across inventory files: `php script/bootstrap-inventory-triag
### `ext/standard/JitStreamMetaKernel.php`

**Warnings** (review for bootstrap subset):
- 9 class method(s)
- 10 class method(s)

### `ext/standard/JitStreamMetaThinAot.php`

**Warnings** (review for bootstrap subset):
- 14 class method(s)

### `ext/standard/JitStreamModeKernel.php`

Expand Down Expand Up @@ -32842,18 +32848,18 @@ Rank live CFG gaps across inventory files: `php script/bootstrap-inventory-triag
### `ext/standard/VmErrorHandler.php`

**Warnings** (review for bootstrap subset):
- new Variable (line 78)
- new Variable (line 87)
- new Variable (line 93)
- new Variable (line 99)
- new Variable (line 105)
- new Variable (line 118)
- new Variable (line 166)
- new Variable (line 168)
- new Variable (line 209)
- new Variable (line 217)
- new Variable (line 225)
- new Variable (line 237)
- new Variable (line 79)
- new Variable (line 88)
- new Variable (line 94)
- new Variable (line 100)
- new Variable (line 106)
- new Variable (line 119)
- new Variable (line 167)
- new Variable (line 169)
- new Variable (line 210)
- new Variable (line 218)
- new Variable (line 226)
- new Variable (line 238)
- 13 class method(s)

### `ext/standard/VmErrorLog.php`
Expand Down Expand Up @@ -52075,16 +52081,16 @@ Rank live CFG gaps across inventory files: `php script/bootstrap-inventory-triag
- new Variable (line 20719)
- new Variable (line 20737)
- new NoDiscardMetadata (line 20985)
- new Variable (line 21182)
- new Variable (line 21184)
- new CompileError (line 21212)
- new CompileError (line 21243)
- new CompileError (line 21282)
- new CompileError (line 21427)
- new CompileError (line 21456)
- new CompileError (line 21489)
- new CompileError (line 21496)
- new Variable (line 21734)
- new Variable (line 21181)
- new Variable (line 21183)
- new CompileError (line 21211)
- new CompileError (line 21242)
- new CompileError (line 21281)
- new CompileError (line 21426)
- new CompileError (line 21455)
- new CompileError (line 21488)
- new CompileError (line 21495)
- new Variable (line 21733)
- 591 class method(s)
- 31 closure(s)

Expand Down Expand Up @@ -55742,10 +55748,10 @@ Rank live CFG gaps across inventory files: `php script/bootstrap-inventory-triag
### `lib/VM/ErrorReporter.php`

**Warnings** (review for bootstrap subset):
- new Variable (line 148)
- new ScriptExit (line 534)
- new Variable (line 706)
- 53 class method(s)
- new Variable (line 174)
- new ScriptExit (line 560)
- new Variable (line 732)
- 54 class method(s)

### `lib/VM/ExceptionHandlerStack.php`

Expand Down
25 changes: 25 additions & 0 deletions ext/standard/JitStreamMetaKernel.php
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Original file line number Diff line number Diff line change
Expand Up @@ -48,6 +48,13 @@ final class JitStreamMetaKernel

public static function implement(Context $context): void
{
// Thin AOT: LLVM meta from StreamGlobalsJit paths — NestedJIT VmFs misses those slots (#27659).
if ($context->isThinStandaloneAotMain()) {
self::implementThinStandalone($context);

return;
}

$probe = $context->module->getNamedFunction('__compiler_stream_get_meta_data');
if (null !== $probe && $probe->countBasicBlocks() > 0) {
self::registerLinkedRuntime($context);
Expand All @@ -71,6 +78,24 @@ public static function implement(Context $context): void
}
}

/** Thin user-script AOT: path-table meta + NestedJIT set_blocking/enable_crypto (#27659). */
private static function implementThinStandalone(Context $context): void
{
$savedBlock = BasicBlockHelper::tryGetInsertBlock($context);

JitStreamMetaThinAot::implementGetMetaData($context);
self::ensureJitHelperCompiled($context);
self::implementIfMissing($context, '__compiler_stream_set_blocking', self::implementSetBlockingBridge(...));
self::implementIfMissing($context, '__compiler_stream_enable_crypto', self::implementEnableCryptoBridge(...));
self::registerLinkedRuntime($context);

if (null !== $savedBlock) {
BasicBlockHelper::restoreInsertBlock($context, $savedBlock);
} else {
$context->builder->clearInsertionPosition();
}
}

/**
* @param callable(Context, LlvmFunction): void $emit
*/
Expand Down
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