Language: match expression (PHP 8) — closes #143 - #1243
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Lower match in php-cfg to strict === comparisons and jump-if chains, with shared result scope across arms. Adds compliance PHPTs and marks the construct supported in lint and capability docs. Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
parseExpr_Matchin php-cfg (vendor patch) loweringmatchto===/JumpIf/Assignchains, seeding the result temporary in the entry block so all arms share one compile slot.Expr_MatchfromUnsupportedRegistry; add compliance PHPTs (match_int,match_identical) and update capability-syntax docs (VM/JIT/AOT compile probes green).Test plan
php bin/vm.php -r 'echo match (2) { 1 => "a", 2 => "b", default => "c" };'→bvendor/bin/phpunit test/unit/UnsupportedRegistryTest.php./script/docker-ci-local.sh fast --filter UnsupportedRegistryTest./script/docker-ci-local.sh(full LLVM gate) on maintainer hostbin/jit.php -rhit a segfault in harness — follow-up if reproduced on full CI)Closes #143
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