Fix var_export($domProp, true) after @ silence misbind (#21975)

lib/Compiler.php

@@ -40616,8 +40616,11 @@ private function tryFoldHoistedBoolNullLiteralCallArg(
         if (false === $producerOrdinal) {
             return null;
         }
+        // Only block folding onto arg #0 in an @ end-block (suppress inner result — #15916).
+        // Trailing return-mode true after a sibling PropertyFetch keeps producerOrdinal 0 with
+        // boolNullArgIndices=[1]; rejecting that misbinds PropertyFetch to arg1 (#21975).
         if (
-            0 === $producerOrdinal
+            0 === $argIndex
             && null !== $block->orig
             && $this->isErrorSuppressEndBlock($block->orig)
         ) {

prelinked/bootstrap-gen0/.bootstrap_lowering_source.sha

@@ -1 +1 @@
-6ed509af3f80a54c4767f5c6271d41a88cb302da602905d6e1bcce3a1793d1c4
+a3d6cb8b689e76e49bf50189a9a5c9a0c9ec7080ecbc961b8ec06eff5bdba483

prelinked/bootstrap-gen0/manifest.json

@@ -1,6 +1,6 @@
 {
     "version": 1,
-    "generated_at": "2026-07-22T12:54:05+00:00",
+    "generated_at": "2026-07-22T13:05:16+00:00",
     "driver": "prelinked/bootstrap-gen0/bin-compile-aot",
     "compiler_minimal_sidecar": "prelinked/bootstrap-gen0/compiler_minimal_aot_blob",
     "compiler_lib_sidecar": "prelinked/bootstrap-gen0/compiler_lib_aot_blob",
@@ -29,5 +29,5 @@
     ],
     "build_target": "inventory argv emit (Zend native rebuild, BOOTSTRAP_INVENTORY_DRIVER_USE_PRELINKED=0)",
     "issue": "#3053, #1492, #2880, #3046, #8713",
-    "lowering_source_fingerprint": "6ed509af3f80a54c4767f5c6271d41a88cb302da602905d6e1bcce3a1793d1c4"
+    "lowering_source_fingerprint": "a3d6cb8b689e76e49bf50189a9a5c9a0c9ec7080ecbc961b8ec06eff5bdba483"
 }

test/compliance/cases/stdlib/var_export_dom_prop_return_true.phpt

@@ -0,0 +1,26 @@
+--TEST--
+stdlib: var_export($domProp, true) after @loadHTML matches Zend (#21975, ext/standard/var.c)
+--FILE--
+<?php
+$d = new DOMDocument();
+@$d->loadHTML('<p>hello</p>');
+$p = $d->getElementsByTagName('p')->item(0);
+$tn = $p->firstChild;
+echo var_export($p->nodeName, true), "\n";
+echo var_export($tn->data, true), "\n";
+echo var_export($tn->textContent, true), "\n";
+var_export($tn->data);
+echo "\n";
+$x = $tn->data;
+echo var_export($x, true), "\n";
+$o = new class {
+    public string $s = 'hello';
+};
+echo var_export($o->s, true), "\n";
+--EXPECT--
+'p'
+'hello'
+'hello'
+'hello'
+'hello'
+'hello'

test/repro/issue_21975_var_export_dom_prop.php

@@ -0,0 +1,14 @@
+<?php
+declare(strict_types=1);
+// #21975 — var_export($domProp, true) after @loadHTML must match Zend strings
+$d = new DOMDocument();
+@$d->loadHTML('<p>hello</p>');
+$p = $d->getElementsByTagName('p')->item(0);
+$tn = $p->firstChild;
+echo 'nodeName=', var_export($p->nodeName, true), "\n";
+echo 'data=', var_export($tn->data, true), "\n";
+echo 'onearg=';
+var_export($tn->data);
+echo "\n";
+$x = $tn->data;
+echo 'assign=', var_export($x, true), "\n";