[PurHur]

Summary

• Route php-cfg-new-first-class-callable.patch through an anchor-based overlay in apply-patches.sh so KIND_NEW / new C(...) FCC lowering survives Parser.php drift from prior overlays.
• Reorder patches: apply php-cfg-anonymous-class.patch before the new-FCC overlay (the overlay expects parseExpr_New with anonymous-class handling).
• Add patch_already_applied marker for KIND_NEW.

Root cause

On a clean composer install, php-cfg-first-class-callable.patch applied but php-cfg-new-first-class-callable.patch failed at Parser.php:1625 because it assumed anonymous-class + stale line anchors. apply-patches.sh exited 1 and release-readiness.sh died in ci_install_deps.

Verification

# Fresh vendor + patches (host)
rm -rf vendor/ircmaxell/php-cfg && composer install -n --prefer-dist --ignore-platform-reqs --no-scripts
./script/apply-patches.sh
# exit 0 — Applied php-cfg-new-first-class-callable.patch (overlay)

# Docker clean install
./script/docker-exec.sh -- bash -lc 'composer install -n --prefer-dist --ignore-platform-reqs && ./script/apply-patches.sh; echo EXIT:$?'
# EXIT:0

# Issue repro (#9767 guard)
php bin/vm.php test/repro/new_first_class_callable.php
# int(42)

# Release readiness reaches gate JSON (no ci_install_deps patch abort)
./script/docker-exec.sh -- bash -lc './script/release-readiness.sh --json'

Closes #9931

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